@article{DAN_1975_223_2_a11,
     author = {V. M. Teshukov},
     title = {The {Goursat} problem for the equation of plane potential conical flows of a gas},
     journal = {Doklady Akademii Nauk},
     pages = {303--306},
     publisher = {mathdoc},
     volume = {223},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_223_2_a11/}
}