Favorov, S., Fonf, V., Korobov, V., Ostrovskii, M., Popov, M., Vishnyakova, A., Yampolsky, A. and Zholtkevych, G. (2020) “V. M. Kadets. To 60th anniversary”, Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics, 920, pp. 56-57. doi: 10.26565/2221-5646-2020-92-05.