%0 Journal Article %A A. A. Kosov %A E. I. Semenov %A S. P. Golysheva %T First integrals and exact solutions of a system of ordinary differential equations with power nonlinearity %J The Bulletin of Irkutsk State University. Series Mathematics %D 2017 %P 45-60 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2017_20_a3/ %G ru %F IIGUM_2017_20_a3