%0 Journal Article %A V. V. Amel'kin %T On some properties of divergent limit cycles %J Differencialʹnye uravneniâ %D 1991 %P 1975-1976 %V 27 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_11_a14/ %G ru %F DE_1991_27_11_a14