@article{VTGU_2020_65_a0,
     author = {A. A. Abdullayev and T. G. Ergashev},
     title = {Poincare--Tricomi problem for the equation of a mixed elliptico-hyperbolic type of second kind},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {5--21},
     publisher = {mathdoc},
     number = {65},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2020_65_a0/}
}