TY - JOUR AU - V. P. Viflyantsev TI - Local structure of a completely integrable differential system with singularities JO - Matematičeskie zametki PY - 1981 SP - 685 EP - 690 VL - 29 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1981_29_5_a3/ LA - ru ID - MZM_1981_29_5_a3 ER -