@article{DE_1995_31_1_a18,
     author = {T. V. Chekmarev},
     title = {The {Tricomi} problem for a generalized model system of equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {138--145},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1995_31_1_a18/}
}