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  2. Tunnelling transition with gravitation: breakdown of the quasiclassical approximation (with V. A. Rubakov and P.G.Tinyakov). Phys. Lett. B 161 (1985), 280-284.

  3. Tunnelling transition with gravitation: breakdown of the quasiclassical approximation (with V. A. Rubakov and P. G. Tinyakov). In: Proc. Third Seminar on Quantum Gravity (Moscow, USSR, October, 1984), World Scientific, 1985, 628-661.

  4. On the creation of fermion pairs during the decay of metastable vacuum (with V. A. Rubakov and P. G. Tinyakov). Teoret. Mat. Fiz. 66 (1986), 66-78.

  5. Creation of semi-closed worlds during the false vacuum decay. Yad. Fiz. 45 (1987), 295-301.

  6. Disruption of quantum coherence upon a change in spatial topology in quantum gravity (with V. A. Rubakov and P. G. Tinyakov). JETP Lett. 46 (1987), 167-169.

  7. Nonconservation of fermion quantum numbers at tunnelling transitions in gauge theory. Teoret. Mat. Fiz. 73 (1987), 245-254.

  8. Particles creation and destruction of quantum coherence by topological change (with V. A. Rubakov and P.G.Tinyakov). Nuclear Phys. B 299 (1988), 757-796.

  9. Loss of quantum coherence due to topological changes: a toy model (with V. A. Rubakov and P.G.Tinyakov). Modern Phys. Lett. A 3 (1988), 1231-1242.

  10. Loss of quantum coherence due to topological changes: a toy model (with V. A. Rubakov and P. G. Tinyakov). In: Proc. International Seminar Quarks88 (Tbilisi, USSR, May, 1988), World Scientific, 1989, 431-442.

  11. Negative euclidean action, instantons and pair creation in strong background fields (with V. A. Rubakov, M. S. Serebryakov, and P. G. Tinyakov). Nuclear Phys. B 329 (1990), 98-116.

  12. Are quarks nonrelativistic in the nucleon? (with A. Khvedelidze, A. Kvinikhidze, and M. Serebryakov). Nuovo Cimento A 103 (1990), 1669-1674.

  13. Wormholes, third quantization and the problems of the negative cosmological constant (with V. A. Rubakov and P. G. Tinyakov). In: Proc. V Seminar on Quantum Gravity (Moscow, USSR, 1990), World Scientific, 27-43.

  14. Third quantization of gravity and the cosmological constant problem (with V. A. Rubakov and P. G. Tinyakov). In: Gravitation and Modern Cosmology, Proc. Symposium Held in Honor of P. G. Bergmanns 75th Birthday (September 17-20, 1990), Erice, Italy, Plenum Press, NY, 1991, 87-99.

  15. The cosmological constant, third quantization and all that. In Proc. 12th Autumn School (Lisbon, Portugal October, 1990); Lecture Notes in Phys. 383 (1991), 292-304.

  16. Constrained dynamical systems and geometric quantization (with G. Jorjadze and I. Sarishvili). Preprint TMI-P-05, 1991, 44 p.

  17. One type of classical solution in theories with vacuum periodicity. Phys. Lett. B 282 (1992), 406-408.

  18. Static spherically symmetric solutions of a Yang-Mills field coupled to a dilaton (with D. Maison). Phys. Lett. B 295 (1992), 67-72.

  19. Quantization scheme based on the extension of phase space (with G. Jorjadze and I. Sarishvili). J. Phys. A 26 (1993), 751-763.

  20. Regular and black hole solutions of Einstein-Yang-Mills-dilaton theory (with D. Maison). Nuclear Phys. B 410 (1993), 407-422.

  21. Static spherically symmetric solutions of scalar gravity with SU(2) gauge field (with D. Maison). In: Classical and Quantum Gravity, Proc. I Iberian Meeting on Gravity (vora, Portugal, September 21-26, 1992), World Scientific, 1993, 207-210.

  22. Dilatonic sphalerons and non-Abelian black holes (with D. Maison). In: Proc. 15th MRST meeting on High Energy Physics (Syracuse University, Syracuse NY, USA, May 14-15, 1993), World Scientific, 1994, 129-138; Preprint hep-th/9307159, 11 pp.

  23. Fermions in the background of dilatonic sphalerons. Modern Phys. Lett. A 9 (1994), 3731-3740.

  24. Black holes and sphalerons in low energy effective string theory. In: Proc. 7th Marcel Grossmann Meeting on General Relativity (Stanford, USA, July 24-29, 1994); Preprint hep-th/9410183, 4 pp.

  25. A remark on the instability of the Bartnik-McKinnon solutions (with D. Maison). Phys. Lett. B 343 (1995), 214-217.

  26. The number of sphaleron instabilities of the Bartnik-McKinnon solitons and non-Abelian black holes (with M. S. Volkov, O. Brodbeck, and N. Straumann). Phys. Lett. B 349 (1995), 438-442.

  27. Gravitating, gravitational and dilatonic sphalerons. In: Heat Kernel Techniques and Quantum Gravity, Discourses in Mathematics and Its Applications, No. 4, Texas A & M University, Texas, 1995, p. 409-420; Preprint hep-th/9508024.

  28. Cosmological analogs of the Bartnik-McKinnon solutions (with M. S. Volkov, N. Straumann, M. Heusler, and O. Brodbeck). Phys. Rev. D 54 (1996), 7243-7251.

  29. Stability analysis of new solutions of the EYM system with cosmological constant (with O. Brodbeck, M. Heusler, N. Straumann, and M. S. Volkov). Phys. Rev. D 54 (1996), 7338-7352.

  30. On wormholes in low-energy string theory. Helv. Phys. Acta 69 (1996), 245-248.

  31. Non-Abelian surprises in gravity. Lecture presented at International Workshop on Selected Topics of Theoretical and Modern Mathematical Physics SIMI 96 (Tbilisi, Georgia, September 22-28, 1996), ENSLAPP, Annecy, 1997, p. 265-278; Preprint gr-qc/9701049, 17 pp.

  32. Journes Relativistes96 (Conference report) (with D. Brill and M. Heusler). Matters of Gravity 9 (1997), p. 15; gr-qc/9702010.

  33. Non-Abelian black holes: The inside story (with P. Breitenlohner and D. Maison). In Proc. International Workshop: The Internal Structure of Black Holes and Spacetime Singularities (Haifa, Israel, June 29-July 3, 1997), IPP, Bristol & Philadelphia and the Israel Physical Society, p. 172-193; Preprint gr-qc/9708036.

  34. Mass inflation inside non-Abelian black holes (with P.Breitenlohner and D. Maison). In: Proc. 8th Marcel Grossmann Meeting on General Relativity (Jerusalem, Israel, June 22-27, 1997), WS, 1999, p. 670-672; Preprint gr-qc/9711024, 4 pp.

  35. Mass inflation and chaotic behaviour inside hairy black holes (with P. Breitenlohner and D. Maison). Nuclear Phys. B 524 (1998), 427-443.

  36. On the quadratic action of the Hawking-Turok instanton. Phys. Rev. D 58:063505 (1998), 5pp.

  37. Inside Non-Abelian black holes. In Proc. International Meeting: ISPM-98, Mathematical Methods in Modern Theoretical Physics (Tbilisi, Georgia, September 5-18, 1998), p. 257-260.

  38. Cosmological perturbations in a FRW model with a scalar field and false vacuum decay (with A. Khvedelidze and T. Tanaka). Phys. Rev. D 62:083501 (2000), 5pp.

  39. Negative mode problem in false vacuum decay with gravity. Nuclear Phys. B 88 (2000), 75-82.

  40. Negative mode about the Coleman-De Luccia bounce (with A. Khvedelidze). In Proc. Physical Variables in Gauge Theories (Dubna, Russia, September 21-26, 1999), Dubna, 2000, E2-2000-172, p. 61-69.

  41. One-loop corrections to the metastable vacuum decay (with J. Baacke). Phys. Rev. D 69 (2004), 025009; hep-th/0307202.

  42. Non-Abelian gravitating solitons with negative cosmological constant (with P. Breitenlohner and D. Maison). Gen. Relativity Gravitation (to appear); gr-qc/0307029.