@article{VNGU_2012_12_2_a0,
     author = {A. A. Akinshin and V. P. Golubyatnikov},
     title = {Geometric characteristics of cycles in some symmetric dynamical systems},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {3--12},
     publisher = {mathdoc},
     volume = {12},
     number = {2},
     year = {2012},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2012_12_2_a0/}
}