%0 Journal Article %A L. P. Cherenkova %T The construction of the switching line in the case of an isochronous family of glued solutions %J Differencialʹnye uravneniâ %D 1971 %P 2117-2119 %V 7 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1971_7_11_a25/ %G ru %F DE_1971_7_11_a25