**REVAZ GAMKRELIDZE IS 70**- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 3-7. - download pdf file.

**Dimitri Dzhgarkava***Problem of Optimal Control With One-Sided Mixed Restrictions for Controlled Objects Described by Integral Equations With Measure*- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 9-46. - download pdf file.

**Ioseb Gogodze and Koba Gelashvili.***Representation of c*_{0}-Semigroups of Operators by a Chronological Integral- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 47-66. - download pdf file.

**Guram Kharatishvili and Tamaz Tadumadze.***The Problem of Optimal Control for Nonlinear Systems With Variable Structure, Delays and Piecewice Continuous Prehistory*- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 67-88. - download pdf file.

**Sergo Kharibegashvili.***On The Solvability of a Multidimensional Version of The Goursat Problem For a Second Order Hyperbolic Equation With Characteristic Degeneration*- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 89-103. - download pdf file.

**Zurab Tsintsadze.***The Lagrange Principle of Taking Restrictions Off and Its Application To Linear Optimal Control Problems in The Presence of Mixed Restrictions and Delays*- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 105-128. - download pdf file.

**Avtandil Tsitskishvili.***Solution of the Schwarz Differential Equation*- Mem. Differential Equations Math. Phys.
**11**(1997), pp. 129-156. - download pdf file.

- REPORTS OF THE TBILISI SEMINAR
- ON QUALITATIVE THEORY OF
- DIFFERENTIAL EQUATIONS

**M. Ashordia.***On the question of solvability of the periodic boundary value problem for a system of generalized ordinary differential equations*- Mem. Differential Equations Math. Phys.
**11**(1996), pp. 159-162. - download pdf file.

**L.F. Rakhmatulina.***The upper estimate of the spectral radius of the isotonic operator in the space of continuous functions*- Mem. Differential Equations Math. Phys.
**11**(1996), pp. 163-167. - download pdf file.

**N. Gorgodze.***Continuous dependence of the solution of a class of neutral differential equations on the initial data and on the right-hand side*- Mem. Differential Equations Math. Phys.
**11**(1996), pp. 168-169. - download pdf file.

**N. Izobov.***Estimates of the lower exponent of the two-dimensional linear system under perron perturbations*- Mem. Differential Equations Math. Phys.
**11**(1996), pp. 170-173. - download pdf file.

**N.A. Izobov and S.N. Batan.***On exactness of upper estimates of the characteristic exponent of a linear system with exponentially decreasing perturbations*- Mem. Differential Equations Math. Phys.
**11**(1996), pp. 174-177. - download pdf file.

**V. A. Rabtsevich***On a criterion of the absence of strongly increasing solutions of the Emden-Fowler equation*- Mem. Differential Equations Math. Phys.
**11**(1996), pp. 178-182. - download pdf file.

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