TY - JOUR AU - K. Alymkulov TI - A problem of singular perturbation with a limit cycle in a subsystem with fast time JO - Matematičeskie zametki PY - 1989 SP - 89 EP - 91 VL - 46 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1989_46_5_a10/ LA - ru ID - MZM_1989_46_5_a10 ER -