@article{VMUMM_2017_3_a4,
     author = {D. S. Timonina},
     title = {Liouville classification of integrable geodesic flows on a torus of revolution in a potential field},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {35--43},
     publisher = {mathdoc},
     number = {3},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2017_3_a4/}
}