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@article{DAN_1966_170_1_a8, author = {A. M. Nakhushev}, title = {Boundary value problem of mixed type with two lines of degeneracy}, journal = {Doklady Akademii Nauk}, pages = {38--40}, publisher = {mathdoc}, volume = {170}, number = {1}, year = {1966}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a8/} }
A. M. Nakhushev. Boundary value problem of mixed type with two lines of degeneracy. Doklady Akademii Nauk, Tome 170 (1966) no. 1, pp. 38-40. http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a8/