Balkizov Z, Guchaeva Z, Kodzokov A. The first with displacement problem for a third-order parabolic-hyperbolic equation and the effect of inequality of characteristics as data carriers of the Tricomi problem. M [Internet]. 2020 Jun. 30 [cited 2025 Sep. 4];98(2):24-39. Available from: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/351