by Babenko, V.F., Bilichenko, R.O., Goncharov, S.V., Kovalenko, O.V., Konareva, S.V., Kofanov, V.O., Leskevych, T.Yu, Parfinovych, N.V., Pasko, A.M., Polyakov, O.V., Rudenko, O.O., Skorokhodov, D.S., Tkachenko, M.Ye, Traktynska, V.M., Vakarchuk, M.B.
Published in Researches in mathematics (Online) (28.12.2020)

by Babenko, V.F., Bilichenko, R.O., Vakarchuk, M.B., Kovalenko, O.V., Konareva, S.V., Kofanov, V.O., Leskevych, T.Yu, Parfinovych, N.V., Pasko, A.M., Polyakov, O.V., Rudenko, O.O., Rybnikova, T.I., Skorokhodov, D.S., Tkachenko, M.Ye, Traktynska, V.M.
Published in Researches in mathematics (Online) (05.07.2021)

by V.F. Babenko, R.O. Bilichenko, M.B. Vakarchuk, O.V. Kovalenko, S.V. Konareva, V.O. Kofanov, T.Yu. Leskevych, N.V. Parfinovych, A.M. Pasko, O.V. Polyakov, O.O. Rudenko, T.I. Rybnikova, D.S. Skorokhodov, M.Ye. Tkachenko, V.M. Traktynska
Published in Researches in mathematics (Online) (01.07.2021)