Parasyuk О. S.; VIRCHENKO, N. O. Briefly about scientific heritage of M. Kravchuk, Member of the Academy of Sciences of Ukraine. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 7, p. 860–879, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8119. Acesso em: 6 dec. 2025.