%0 Journal Article %A V. M. Alekseev %T Quasirandom dynamical systems. II. One-dimensional nonlinear oscillations in a field with periodic perturbation %J Sbornik. Mathematics %D 1968 %P 505-560 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1968_6_4_a4/ %G en %F SM_1968_6_4_a4