Eleev VA, Kumykova SK. On some boundary-value problems with a shift on characteristics for a mixed equation of hyperbolic-parabolic type. Ukr. Mat. Zhurn. [Internet]. 2000May25 [cited 2024Nov.24];52(5):707-16. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/4464