## Memoirs on Differential Equations and Mathematical Physics

**Table of Contents: Volume 70, 2017**

**Revaz Gamkrelidze - 90**
- Mem. Differential Equations Math. Phys.
**70** (2017), pp. 1-6.

**Tamaz Tadumadze** *
Variation Formulas of Solutions for Functional Differential Equations
with Several Constant Delays and Their Applications in Optimal Control Problems*
- Mem. Differential Equations Math. Phys.
**70** (2017), pp.
7-97.
- download pdf file.

**R. P. Agarwal, S. Hristova, D. O'Regan, P. Kopanov** *
$p$-Moment Exponential Stability of Differential Equations with Random Impulses
and the Erlang Distribution*
- Mem. Differential Equations Math. Phys.
**70** (2017), pp.
99-106.
- download pdf file.

**Yuji Liu** *
Solvability of Periodic Boundary Value Problems of Fractional Differential Systems
with Impulse Effects*
- Mem. Differential Equations Math. Phys.
**70** (2017), pp.
107-145.
- download pdf file.

**SHORT COMMUNICATION**

**Malkhaz Ashordia** *
On The Antiperiodic Problem for Systems of
Nonlinear Generalized Ordinary Differential Equations*
- Mem. Differential Equations Math. Phys.
**70** (2017), pp. 147-154.
- download pdf file.

ª Copyright 2017, Razmadze Mathematical Institute.