%0 Journal Article %A E. V. Vasil'eva %T On the existence of periodic points in a neighborhood of a homoclinic point of a three-dimensional diffeomorphism %J Differencialʹnye uravneniâ %D 1986 %P 2045-2052 %V 22 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_12_a3/ %G ru %F DE_1986_22_12_a3