%0 Journal Article %A A. L. Fel'shtyn %T The structure of phase diagrams of three-dimensional systems of Morse--Smale type %J Differencialʹnye uravneniâ %D 1979 %P 949-950 %V 15 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_5_a25/ %G ru %F DE_1979_15_5_a25