@article{DE_1995_31_1_a26,
     author = {A. A. Polosin},
     title = {On a boundary value problem for an equation of mixed type with two parallel lines of degeneracy},
     journal = {Differencialʹnye uravneni\^a},
     pages = {168--170},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_1_a26/}
}