@article{CMA_2015_98_a2,
     author = {T. V. Muratova and S. A. Agafonov},
     title = {On stabilization of potential systems by circular forces},
     journal = {Contemporary Mathematics and Its Applications},
     pages = {17--21},
     publisher = {mathdoc},
     volume = {98},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/CMA_2015_98_a2/}
}