%0 Journal Article %A M. A. Balitinov %T Behavior of solutions of Hamiltonian systems in a neighborhood of the equilibrium position in cases of resonance %J Differencialʹnye uravneniâ %D 1990 %P 1291-1299 %V 26 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1990_26_8_a0/ %G ru %F DE_1990_26_8_a0