%0 Journal Article %A V. B. Levenshtam %T Asymptotic Integration of Differential Equations with Oscillatory Terms of Large Amplitudes: I %J Differencialʹnye uravneniâ %D 2005 %P 761-770 %V 41 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_2005_41_6_a5/ %G ru %F DE_2005_41_6_a5