@article{DAN_1962_142_3_a4,
     author = {Yu. F. Korobeinik},
     title = {Analytic solutions of the {Tricomi} equation},
     journal = {Doklady Akademii Nauk},
     pages = {518--521},
     publisher = {mathdoc},
     volume = {142},
     number = {3},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_142_3_a4/}
}