Sevost’yanov, E. A. “On the Removability of Isolated Singularities of Orlicz – Sobolev Classes With Branching”. Ukrains’kyi Matematychnyi Zhurnal 68, no. 5 (May 25, 2016): 683-693. Accessed March 29, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/1871.