%0 Journal Article %A A. R. Artykov %A I. G. Rozet %A B. I. Toporovskaya %T Some cases of local generation of limit cycles in three-dimensional space %J Differencialʹnye uravneniâ %D 1976 %P 1392-1403 %V 12 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_8_a2/ %G ru %F DE_1976_12_8_a2