%0 Journal Article %A V. I. Mironenko %T Classes of systems with coinciding reflecting functions %J Differencialʹnye uravneniâ %D 1984 %P 2173-2176 %V 20 %N 12 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1984_20_12_a24/ %G ru %F DE_1984_20_12_a24