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@article{DAN_1980_254_2_a11, author = {M. L. Lidov}, title = {Generating functions of symplectic mappings}, journal = {Doklady Akademii Nauk}, pages = {308--312}, publisher = {mathdoc}, volume = {254}, number = {2}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_2_a11/} }
M. L. Lidov. Generating functions of symplectic mappings. Doklady Akademii Nauk, Tome 254 (1980) no. 2, pp. 308-312. http://geodesic.mathdoc.fr/item/DAN_1980_254_2_a11/