TY - JOUR AU - L. I. Kononenko TI - Relaxation oscillations in singular systems with slow and fast variables JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2004 SP - 102 EP - 110 VL - 7 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2004_7_3_a10/ LA - ru ID - SJIM_2004_7_3_a10 ER -