BRZEZINSKI, J. $s$-rings and modular representations. MATHEMATICA SCANDINAVICA, [S. l.], v. 42, p. 9–18, 1978. DOI: 10.7146/math.scand.a-11731. Disponível em: https://www.mscand.dk/article/view/11731. Acesso em: 5 may. 2024.