%0 Journal Article %A V. F. Filiptsov %T Investigation of the trajectories of a certain dynamical system %J Differencialʹnye uravneniâ %D 1972 %P 1709-1712 %V 8 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1972_8_9_a24/ %G ru %F DE_1972_8_9_a24