@article{DAN_1975_222_2_a0,
     author = {S. Kh. Aranson},
     title = {On some arithmetic properties of dynamical systems on two-dimensional manifolds},
     journal = {Doklady Akademii Nauk},
     pages = {265--268},
     publisher = {mathdoc},
     volume = {222},
     number = {2},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_222_2_a0/}
}