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@article{TRSPY_1980_147_a8, author = {N. V. Svanidze}, title = {Small perturbations of an integrable dynamical system with an integral invariant}, journal = {Informatics and Automation}, pages = {124--146}, publisher = {mathdoc}, volume = {147}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1980_147_a8/} }
N. V. Svanidze. Small perturbations of an integrable dynamical system with an integral invariant. Informatics and Automation, Boundary value problems of mathematical physics. 10, Tome 147 (1980), pp. 124-146. http://geodesic.mathdoc.fr/item/TRSPY_1980_147_a8/