TY - JOUR AU - S. I. Trifonov TI - Cyclicity of elementary polycycles of generic smooth vector fields JO - Informatics and Automation PY - 1997 SP - 152 EP - 212 VL - 213 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1997_213_a8/ LA - ru ID - TRSPY_1997_213_a8 ER -