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@article{KUKZ_1982_18_18_a2, author = {L. K. Astaf'eva}, title = {On a non-linear {Tricomi} problem}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {21--26}, publisher = {mathdoc}, volume = {18}, number = {18}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1982_18_18_a2/} }
L. K. Astaf'eva. On a non-linear Tricomi problem. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 18 (1982) no. 18, pp. 21-26. http://geodesic.mathdoc.fr/item/KUKZ_1982_18_18_a2/