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@article{MZM_1989_45_5_a4, author = {S. B. Kuksin}, title = {Reducible variational equations and the perturbation of invariant tori of {Hamiltonian} systems}, journal = {Matemati\v{c}eskie zametki}, pages = {38--49}, publisher = {mathdoc}, volume = {45}, number = {5}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a4/} }
S. B. Kuksin. Reducible variational equations and the perturbation of invariant tori of Hamiltonian systems. Matematičeskie zametki, Tome 45 (1989) no. 5, pp. 38-49. http://geodesic.mathdoc.fr/item/MZM_1989_45_5_a4/