%0 Journal Article %A A. Yu. Levin %T Behavior of the solutions of the equation $\ddot x+p(t)\dot x+q(t)x=0$ in the nonoscillatory case %J Sbornik. Mathematics %D 1968 %P 33-55 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1968_4_1_a3/ %G en %F SM_1968_4_1_a3