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On the convergence of Fourier series in the space L. (Russian) Soobshch. Acad. Nauk Gruzin. SSR 126 (1988), No.3, 481-483.
Convergence of Fourier-Walsh series in the space L. (Russian) Soobshch. Acad. Nauk Gruzin. SSR 130 (1988), No.2, 249-251.
On the distribution function of the majorant of ergodic means. (Russian) Seminar Inst. Prikl. Mat. Tbiliss. Univ. 3 (1988), No. 2, 89-92.
On the convergence of Fourier series in L. (Russian) Trudy Tbiliss. Mat. Inst. Razmadze 89 (1989), 83-94.
Convergence of Fourier-Walsh series in the space L. (Russian) Trudy Tbiliss. Mat. Inst. Razmadze 95 (1990), 71-80.
On the majorant of ergodic means. (Russian) Uspekhi Mat. Nauk 45 (1990), No. 2(272), 223-224; English transl.: Russian Math. Surveys 45 (1990), No. 2, 209-211.
On the majorant of ergodic means (continuous case). (Russian) Trudy Tbiliss. Mat. Inst. Razmadze 98 (1990), 112-124.
On the integrability of the ergodic maximal function. Soobshch. Akad. Nauk Gruzin. SSR 139 (1990), No. 1, 49-51.
On the distribution function of the majorant of ergodic means. Studia Math. 103 (1992), No. 1, 1-15.
A new proof of a theorem of Atkinson. Rep. Enlarged Sess. Semin. I. Vekua Inst. Appl. Math. 7 (1992), No. 2, 63-64.
A remark on a theorem of Atkinson. Proc. A. Razmadze Math. Inst. 101 (1992), 39-45.
On the integrability of the ergodic maximal function. Proc. A. Razmadze Math. Inst. 102 (1993), 29-40.
On a relationship between the integrabilities of various maximal functions. Rep. Enlarged Sess. Semin. I. Vekua Inst. Appl. Math. 9 (1994), No. 1-3, 22-23.
On a relationship between the integrabilities of various maximal functions. Georgian Math. J. 2 (1995), No. 1, 9-20.
On the uniqueness of maximal functions. Georgian Math. J. 3 (1996), No. 1, 49-52.
On approximate factorization of the spectral measures of stationary processes. Proc. A. Razmadze Math. Inst. 114 (1997), 35-38.
On the integrability of the ergodic Hilbert transform for a class of functions with equal absolute values. Georgian Math. J. 5 (1998), No. 2, 101-106.
On the factorization of unitary matrix-functions. Proc. A. Razmadze Math. Inst. 116 (1998), 101-106.
On reverse weak (1.1) inequalities for the maximal operators with respect to arbitrary measures. Proc. A. Razmadze Math. Inst. 117 (1998), 119-120.
On reverse weak (1,1) type inequalities for maximal operators with respect to arbitrary measures. Real Anal. Exchange 24 (1998/99), No. 2, 761-764.
On approximate factorization of positively definite matrix functions of second order. Proc. A. Razmadze Math. Inst. 120 (1999), 49-56.
On an approximate factorization of a positive-definite matrix function (with G. Dzhanashiya and E. Lagvilava). (Russian) Uspekhi Mat. Nauk 54 (1999), No. 6(330), 161-162; English transl.: Russian Math. Surveys 54 (1999), No. 6, 1246-1247.
The rearrangement inequality for the ergodic maximal function. Georgian Math. J. 8 (2001), No. 4, 727-732.
On the uniqueness of maximal operators for ergodic flows. Rev. Mat. Complut. 15 (2002), No. 1, 75-84.
On the uniqueness of the ergodic maximal function. Fund. Math. 174 (2002), No. 3, 217-228.
On the generalization of the Stein-Weiss theorem for the ergodic Hilbert transform. Studia Math. 155 (2003), No. 1, 67-75.
On the ergodic maximal equality. Proc. A. Razmadze Math. Inst. 132 (2003), 89-92.
On a relationship between the integrabilities of various ergodic maximal functions. Proc. A. Razmadze Math. Inst. 132 (2003), 141-142.
A new proof of the ergodic maximal equality. Real Anal. Exchange 29 (2003/04), No. 1, 1-3.