@article{TM_2007_256_a9,
     author = {V. V. Kozlov},
     title = {Dynamical {Systems} with {Multivalued} {Integrals} on a {Torus}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {201--218},
     publisher = {mathdoc},
     volume = {256},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2007_256_a9/}
}