Amal H, El Gasmi A. Subextension and approximation of $m$-subharmonic functions with given boundary values. Ukr. Mat. Zhurn. [Internet]. 2025 Nov. 4 [cited 2025 Dec. 5];77(2):152. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/8215