%0 Journal Article %A D. G. Rakhimov %A Yu. B. Rusak %T Some special cases of the use of the method of false perturbations %J Differencialʹnye uravneniâ %D 1983 %P 1813-1815 %V 19 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_10_a25/ %G ru %F DE_1983_19_10_a25