GUDIVOK, P. M.; POGORILYAK, E. Y. Matrix Representations of Finite $p$-Groups over Commutative Local Rings of Characteristic $p^s$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 54, n. 6, p. 764–770, 2002. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4114. Acesso em: 5 dec. 2025.