@article{VSGTU_2022_26_4_a3,
     author = {A. K. Urinov and D. A. Usmonov},
     title = {An initial-boundary problem for a hyperbolic equation with~three lines of degenerating of the second kind},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {672--693},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2022_26_4_a3/}
}