COMPLETENESS PROPERTY OF ONE-DIMENSIONAL PERTURBATIONS OF NORMAL AND SPECTRAL OPERATORS GENERATED BY FIRST ORDER SYSTEMS Article Agibalova A.V., Lunyov A.A., Malamud M.M., Oridoroga L.L. Integral Equations and Operator Theory. Springer Basel. Vol. 91. 2019.
THE CLASSICAL MOMENT PROBLEM AND GENERALIZED INDEFINITE STRINGS Article Eckhardt J., Kostenko A. Integral Equations and Operator Theory. Springer Basel. Vol. 90. 2018.
SEVENTY FIVE (THOUSAND) UNSOLVED PROBLEMS IN ANALYSIS AND PARTIAL DIFFERENTIAL EQUATIONS Article Maz’ya V. Integral Equations and Operator Theory. Springer Basel. Vol. 90. 2018.
SOBOLEV TYPE INEQUALITIES, EULER–HILBERT–SOBOLEV AND SOBOLEV–LORENTZ–ZYGMUND SPACES ON HOMOGENEOUS GROUPS Article Ruzhansky M., Suragan D., Yessirkegenov N. Integral Equations and Operator Theory. Springer Basel. Vol. 90. 2018.