@article{Apakov_2018, title={Third boundary-value problem for a third-order differential equation with multiple characteristics}, volume={70}, url={https://umj.imath.kiev.ua/index.php/umj/article/view/1633}, abstractNote={We prove the unique solvability of the third boundary-value problem for a third-order differential equation with multiple characteristics containing the second time derivative in a rectangular domain.}, number={9}, journal={Ukrains’kyi Matematychnyi Zhurnal}, author={Apakov, Yu. P.}, year={2018}, month={Sep.}, pages={1274-1281} }