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@article{KUKZ_1980_17_17_a7, author = {V. I. Zhegalov}, title = {On problems with shifts for equations of mixed type}, journal = {Trudy seminara po kraevym zada\v{c}am}, pages = {63--73}, publisher = {mathdoc}, volume = {17}, number = {17}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a7/} }
V. I. Zhegalov. On problems with shifts for equations of mixed type. Trudy seminara po kraevym zadačam, Trudy Seminara po Kraevym Zadacham, Tome 17 (1980) no. 17, pp. 63-73. http://geodesic.mathdoc.fr/item/KUKZ_1980_17_17_a7/