@article{TIMB_2006_14_1_a3,
     author = {V. V. Amel'kin and O. B. Korsantia},
     title = {Strong isochronous {Newton's} systems with quadratic with respect to speed power function},
     journal = {Trudy Instituta matematiki},
     pages = {30--35},
     publisher = {mathdoc},
     volume = {14},
     number = {1},
     year = {2006},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2006_14_1_a3/}
}