O. Stanzhytskyi

发表

O. Kichmarenko, O. Stanzhytskyi, 2019, Miskolc Mathematical Notes.

O. Stanzhytskyi, E. A. Samoĭlenko, 2014, Siberian Mathematical Journal.

O. Stanzhytskyi, Anastasiia O. Bratochkina, 2013 .