@article{ND_2010_6_4_a12,
     author = {A. V. Borisov},
     title = {{\CYRO}{\cyrt}{\cyrv}{\cyre}{\cyrt} {{\CYRV}.\,{\CYRF}.~{\CYRZH}{\cyru}{\cyrr}{\cyra}{\cyrv}{\cyrl}{\cyre}{\cyrv}{\cyru}}},
     journal = {Russian journal of nonlinear dynamics},
     pages = {897--901},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2010_6_4_a12/}
}