ON THE BOUNDEDNESS OF THE RESOLVENT OF THE OPERATOR GENERATED BY PARTIAL OPERATOR-DIFFERENTIAL EXPRESSIONS OF HIGHER ORDER IN HILBERT SPACE
by H.I. Aslanov

NECESSARY CONDITIONS FOR THE EXTREMUM IN NON-SMOOTH PROBLEMS OF VARIATIONAL CALCULUS WITH DELAY
by G.V. Hajieva, T.K. Melikov

MULTIPLE EIGENFUNCTION EXPANSION FOR ONE DIMENSIONAL SCHRÖDINGER EQUATION WITH PIECEWISE-CONSTANT COEFFICIENT
by Sh. Annaghili

REPRESENTATION OF SOLUTIONS OF M-SPECTRAL PROBLEM FOR DIFFUSION OPERATOR
by E. Bas, M. Karaoglan, E. Panakhov

THE A-INTEGRAL AND CALDERON-ZYGMUND OPERATORS
by A.F. Huseynli

ON ANINVERSE SCATTERING PROBLEM FOR A SYSTEM OF DIRAC EQUATIONS WITH NONLINEAR DEPENDENCE ON THE SPECTRAL PARAMETER
by A. Çöl, Kh.R. Mamedov