%0 Journal Article %A L. I. Kononenko %T Relaxation oscillations in singular systems with slow and fast variables %J Sibirskij žurnal industrialʹnoj matematiki %D 2004 %P 102-110 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJIM_2004_7_3_a10/ %G ru %F SJIM_2004_7_3_a10