Zainalov BR. First nontrivial group of homologies of simplicial schemes of unimodular frames over the Dedekind ring. Ukr. Mat. Zhurn. [Internet]. 2018Sep.25 [cited 2024Apr.19];70(9):1231-48. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1630