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@article{KUKZ_1978_15_15_a3, author = {R. M. Ganeev}, title = {The {Gellerstedt} problem for a system of equations of mixed type}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {30--39}, publisher = {mathdoc}, volume = {15}, number = {15}, year = {1978}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1978_15_15_a3/} }
R. M. Ganeev. The Gellerstedt problem for a system of equations of mixed type. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 15 (1978) no. 15, pp. 30-39. http://geodesic.mathdoc.fr/item/KUKZ_1978_15_15_a3/