1.
Kapanadze DV. On the uniqueness of a solution of the problem with oblique derivative for the equation Δ n v = 0. Ukr. Mat. Zhurn. [Internet]. 2006 Jun. 25 [cited 2025 Dec. 6];58(6):835–841. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3499