Volume 11, Issue 2, 2021 Problems for the First-Order Differential equations with Discrete Additive and Discrete Multiplicative Derivatives Vusala Sultanova Asymptotics of the Eigenvalues and Eigenfunctions of a Non-Self-Adjoint Problem with a Spectral Parameter in the Boundary Condition T.F. Kasimov p(x)-Admissible Sublinear Singular Operators in the Local “Complementary” Generalized Variable Exponent Morrey Spaces Xayyam A. Badalov Existence and Uniqueness of a Solution to the Optimal Control Problem with Lions Type Functional for the Linear Nonstationary Guasi-Optics Equation Ulker M. Farzaliyeva On Tensor Fields Generated by Differentiable Functions Gunay H. Salmanova Asymptotics of the Solution of a Boundary Value Problem Stated in an Infinite Half Strip for a Non-Classical Type Singularly Perturbed Differential Equation Mehbube E. Kerimova Simulation of Fluid Movement in the Reservoir-Well Gas Lift System Sh.A.Kerimova On Stability of Bases Consisting of Perturbed Exponential Systems in Grand Lebesgue Spaces Tural Hagverdi A Unified Treatment of the Generalised Poisson Distribution with Implications for Characterization and Estimation of Properties T. O. Obilade, S. D. Francis, S. O. Ezeah, A. R. Babalola Existence of Solution of Nonlinear Bridge Problem with Time-delay in Aerodynamic Resistance Force Y.M. Farhadova Gas Flow in a Formation-Well-Pipeline System N.A. Agayeva Invese Problem for the Eıgenvalues of the Paulı Operator Aliyeva Aynura
