1.
Ismoilov AI, Mamanazarov AO, Urinov AK. Darboux problem for the generalized Euler – Poisson – Darboux equation. Ukr. Mat. Zhurn. [Internet]. 2017Jan.25 [cited 2021Jan.26];69(1):52-0. Available from: http://umj.imath.kiev.ua/index.php/umj/article/view/1675