ON THE ASYMPTOTICS OF EIGENVALUES OF THE NEUMANN PROBLEM FOR THE SCHRÖDINGER OPERATOR
by A.R. Aliev, E.H. Eyvazov

SOLVABILITY OF THE INVERSE SPECTRAL PROBLEM FOR STURM-LIOUVILLE OPERATOR WITH SPECTRAL PARAMETER IN THE BOUNDARY CONDITION
by L.I. Mammadova, I.M. Nabiev

UPPER BOUNDS FOR BEREZIN NUMBERS OF SELF-ADJOINT OPERATORS AND APPLICATIONS
by M. Garayev, H. Guediri, F.S.N. Alshormani

ON THE UNIQUENESS OF INVERSE PROBLEMS FOR ”WEIGHTED” STURM-LIOUVILLE OPERATOR WITH DELTA INTERACTION
by M.Dzh. Manafov, M.B. Tanrıveren