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@article{DAN_1988_299_3_a5, author = {V. F. Zaitsev}, title = {Discrete-group analysis of ordinary differential equations}, journal = {Doklady Akademii Nauk}, pages = {542--545}, publisher = {mathdoc}, volume = {299}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_299_3_a5/} }
V. F. Zaitsev. Discrete-group analysis of ordinary differential equations. Doklady Akademii Nauk, Tome 299 (1988) no. 3, pp. 542-545. http://geodesic.mathdoc.fr/item/DAN_1988_299_3_a5/