,. In memoriam of Valerij Mihajlovich Larionov. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, [S. l.], v. 8, n. 3, p. 551–553, 2021. Disponível em: https://math-mech-astr-journal.spbu.ru/article/view/11835. Acesso em: 18 may. 2024.