ZÖSCHINGER, Helmut. Quasi-seperable und koseperable Moduln über diskreten Bewertungsringen. Mathematica Scandinavica, Berkeley, CA, United States, v. 44, p. 17–36, 1979. DOI: 10.7146/math.scand.a-11794. Disponível em: https://journals.msp.org/mscand/article/view/1853. Acesso em: 25 jul. 2026.