,. On the 90th anniversary of A. F. Andreev. Vestnik of Saint Petersburg University. Mathematics. Mechanics. Astronomy, [S. l.], v. 1, n. 2, p. 345–347, 2014. Disponível em: https://math-mech-astr-journal.spbu.ru/article/view/11061. Acesso em: 20 may. 2024.