BondarenkoV. M., and BortosM. Yu. 2017. “Indecomposable and Isomorphic Objects in the Category of monomial Matrices over a Local Ring”. Ukrains’kyi Matematychnyi Zhurnal 69 (7), 889-904. https://umj.imath.kiev.ua/index.php/umj/article/view/1744.