@article{ND_2016_12_3_a4,
     author = {Yu. A. Grigor'ev and A. P. Sozonov and A. V. Tsiganov},
     title = {On an integrable system on the plane with velocity-dependent potential},
     journal = {Russian journal of nonlinear dynamics},
     pages = {355--367},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ND_2016_12_3_a4/}
}