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@article{KUKZ_1976_13_13_a8, author = {R. M. Ganeev}, title = {A problem of {Gellerstedt} type for a system of equations of mixed type}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {70--79}, publisher = {mathdoc}, volume = {13}, number = {13}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a8/} }
R. M. Ganeev. A problem of Gellerstedt type for a system of equations of mixed type. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 13 (1976) no. 13, pp. 70-79. http://geodesic.mathdoc.fr/item/KUKZ_1976_13_13_a8/