Nazarova, L. A. and Roiter, A. V. (2002) “The Norm of a Relation, Separating Functions, and Representations of Marked Quivers”, Ukrains’kyi Matematychnyi Zhurnal, 54(6), pp. 808-840. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/4119 (Accessed: 12May2024).