K.F. Abdullayeva Uniform Convergence of Spectral Expansions for a Boundary Value Problem with a Boundary Condition Depending on the Spectral Parameter S.I. Allahverdiyeva An Inverse Boundary Value Problem for the Boussinesq-Love Equation with Periodic and Integral Condition T.B. Gasymov, U.G. Hashimova, R.J. Taghiyeva On the Basicity of Eigenfunctions of a Non-self-adjoint Spectral Problem with a Spectral Parameter in the Boundary Condition in Lebesgue Spaces A.I. Ismailov Inverse Boundary Value Problem for a Third-Order Partial Differential Equation with an Additional Integral Condition Elchin D. Ibadov On Absolute and Uniform Convergence of Biorthogonal Expansion in Root Functions of a Second Order Discontinuous Differential Operator