GUDIVOK , P. M.; OROS , V. M.; ROITER , A. V. Representations of finite p-groups over the ring of formal power-mode series with integral p-addic coefficients. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 44, n. 6, p. 753–765, 1992. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/8006. Acesso em: 11 apr. 2025.