ZAINALOV, B. R. First nontrivial group of homologies of simplicial schemes of unimodular frames over the Dedekind ring. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 70, n. 9, p. 1231–1248, 2018. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1630. Acesso em: 5 dec. 2025.