Gromyk AP, Konet IM, Pylypiuk TM. Hyperbolic boundary-value problem for a piecewisehomogeneous hollow cylinder. Ukr. Mat. Zhurn. [Internet]. 2019Dec.26 [cited 2024Nov.23];71(12):1607-1. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/714