Borsuk MV. Behaviour of solutions of the Dirichlet problem for quasilinear elliptical equations of the second order of a general kind near angular point. Ukr. Mat. Zhurn. [Internet]. 1992Feb.28 [cited 2024Jun.2];44(2):167-73. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7828