%0 Journal Article %A N. A. Bodunov %T Locally invariant sets of three-dimensional autonomous systems %J Differencialʹnye uravneniâ %D 1975 %P 1331-1334 %V 11 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1975_11_7_a17/ %G ru %F DE_1975_11_7_a17