BorsukM. V. (1996) “On the solvability of the dirichlet problem for elliptic nondivergent equations of the second order in a domain with conical point”, Ukrains’kyi Matematychnyi Zhurnal, 48(1), pp. 13-24. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/5358 (Accessed: 27July2024).