@article{DE_1981_17_1_a8,
     author = {V. A. Eleev},
     title = {The general {Tricomi} problem for a mixed equation of hyperbolic-parabolic type with discontinuous coefficients},
     journal = {Differencialʹnye uravneni\^a},
     pages = {58--72},
     publisher = {mathdoc},
     volume = {17},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_1_a8/}
}