%0 Journal Article %A A. I. Rubinshtein %T On Some Dynamical Systems of the Second Order %J Matematičeskoe obrazovanie %D 2010 %P 24-30 %V 53 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MO_2010_53_1_a4/ %G ru %F MO_2010_53_1_a4