VOSYLIUS, R. Über Zusammenhänge in Lieschen Gruppen. Lithuanian Mathematical Journal, [S. l.], v. 10, n. 4, p. 705–725, 1970. DOI: 10.15388/LMJ.1970.20918. Disponível em: https://www.journals.vu.lt/LMJ/article/view/20918.. Acesso em: 2 may. 2024.