1.
Aldashev SA. Eigenvalues and eigenfunctions of the Gellerstedt problem for the multidimensional Lavrent?ev?Bitsadze equation. Ukr. Mat. Zhurn. [Internet]. 2011Jun.25 [cited 2024Apr.27];63(6):827-32. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2765