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@article{DAN_1957_117_4_a2, author = {B. M. Budak and A. D. Gorbunov}, title = {The difference method for solution of a non-linear {Goursat} problem}, journal = {Doklady Akademii Nauk}, pages = {559--562}, publisher = {mathdoc}, volume = {117}, number = {4}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a2/} }
B. M. Budak; A. D. Gorbunov. The difference method for solution of a non-linear Goursat problem. Doklady Akademii Nauk, Tome 117 (1957) no. 4, pp. 559-562. http://geodesic.mathdoc.fr/item/DAN_1957_117_4_a2/