@article{VSGTU_2022_26_4_a1,
     author = {X. R. Rasulov},
     title = {An analogue of the {Tricomi} problem for a mixed type of~quasilinear equation with two lines of degeneracy},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {630--649},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2022_26_4_a1/}
}