ZAGORODNII , A. G.; SAMOILENKO , A. M.; BUGROV, V. A.; MEL’NYK, V. P.; ZGUROVS’KYI , M. Z.; STRICHA , M. V.; VIRCHENKO , N. O. . On the 100th birthday of outstanding scientist Ostap Stepanovych Parasyuk (20.12.1921 – 22.11.2007): Ostap Stepanovich Parasyuk. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 2, p. 286–288, 2022. DOI: 10.37863/umzh.v74i2.6873. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6873. Acesso em: 5 dec. 2025.