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@article{MZM_2006_80_1_a15, author = {A. V. Borisov and I. S. Mamaev}, title = {An {Integrable} {System} with a {Nonintegrable} {Constraint}}, journal = {Matemati\v{c}eskie zametki}, pages = {131--134}, publisher = {mathdoc}, volume = {80}, number = {1}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2006_80_1_a15/} }
A. V. Borisov; I. S. Mamaev. An Integrable System with a Nonintegrable Constraint. Matematičeskie zametki, Tome 80 (2006) no. 1, pp. 131-134. http://geodesic.mathdoc.fr/item/MZM_2006_80_1_a15/