@article{TM_2016_295_a14,
     author = {I. A. Taimanov},
     title = {On first integrals of geodesic flows on a~two-torus},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {241--260},
     publisher = {mathdoc},
     volume = {295},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_2016_295_a14/}
}