** Dedicated to the 120th birthday anniversary of
academician N. Muskhelishvili**

**R. P. Agarwal, M. Benchohra, S. Hamani, and S. Pinelas***Upper and Lower Solutions Method for Impulsive Differential Equations Involving the Caputo Fractional Derivative*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 1-12. - download pdf file.

**M. Basheleishvili and L. Bitsadze***Three-Dimensional Boundary Value Problems of the Theory of Consolidation with Double Porosity*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 13-27. - download pdf file.

**G. Berikelashvili, M. M. Gupta, and M. Mirianashvili***On the Choice of Initial Conditions of Difference Schemes for Parabolic Equations*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 29-38. - download pdf file.

**Luís P. Castro and Anabela S. Silva***Wiener-Hopf and Wiener-Hopf-Hankel Operators with Piecewise-Almost Periodic Symbols on Weighted Lebesgue Spaces*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 39-62. - download pdf file.

**J. Elschner, G. C. Hsiao, and A. Rathsfeld***Reconstruction of Elastic Obstacles from the Far-Field Data of Scattered Acoustic Waves*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 63-97. - download pdf file.

**M. Mrevlishvili and D. Natroshvili***Investigation of Interior and Exterior Neumann-Type Static Boundary-Value Problems of Thermo-Electro-Magneto Elasticity Theory*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 99-126. - download pdf file.

**V. S. Rabinovich***Pseudodifferential Operators with Operator Valued Symbols. Fredholm Theory and Exponential Estimates of Solutions*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 127-153. - download pdf file.

**SHORT COMMUNICATION**

**Malkhaz Ashordia and Murman Kvekveskiri***The Principle of a Priori Boundedness for Boundary Value Problems for Systems of Nonlinear Generalized Ordinary Differential Equations*- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 155-162. - download pdf file.

**Corrections**

to the paper [M. A. Grekov and N. F. Morozov, Solution of the Kirsch Problem in View of Surface Stresses. Mem. Differential Equations Math. Phys. 52 (2011), 123-129]- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 163-164.

**International Conference "CONTINUUM MECHANICS AND RELATED PROBLEMS OF ANALYSIS"**- Mem. Differential Equations Math. Phys.
**53**(2011), pp. 165-166.

© Copyright 2011, Razmadze Mathematical Institute.