%0 Journal Article %A V. I. Prokhorenko %T On the analyticity of periodic solutions of differential equations with singular points. II %J Differencialʹnye uravneniâ %D 1994 %P 439-443 %V 30 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1994_30_3_a10/ %G ru %F DE_1994_30_3_a10