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@article{DAN_1990_313_4_a3, author = {N. Yu. Kapustin}, title = {Unique solvability in the class $L_2$ of the {Tricomi} problem}, journal = {Doklady Akademii Nauk}, pages = {790--795}, publisher = {mathdoc}, volume = {313}, number = {4}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a3/} }
N. Yu. Kapustin. Unique solvability in the class $L_2$ of the Tricomi problem. Doklady Akademii Nauk, Tome 313 (1990) no. 4, pp. 790-795. http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a3/