BOGOLYUBOV, A. N.; VALEYEV, K. G.; TAMRAZOV, P. M. On the 75th birthday of Vyacheslav Alekseevich Dobrovol’skii. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 10, p. 1409, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5621. Acesso em: 6 dec. 2025.