@article{VSGTU_2015_19_4_a3,
     author = {A. A. Gimaltdinova},
     title = {The {Dirichlet} problem for mixed type equation  with two lines  of degeneracy  in a rectangular area},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {634--649},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2015_19_4_a3/}
}