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@article{DE_1981_17_8_a19, author = {V. I. Matatov}, title = {On the character of movable singular points of some {Hamiltonian} systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1502--1503}, publisher = {mathdoc}, volume = {17}, number = {8}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1981_17_8_a19/} }
V. I. Matatov. On the character of movable singular points of some Hamiltonian systems. Differencialʹnye uravneniâ, Tome 17 (1981) no. 8, pp. 1502-1503. http://geodesic.mathdoc.fr/item/DE_1981_17_8_a19/