TY - JOUR AU - A. A. Panov TI - On the Diversity of Poincar\'e Mappings for Cubic Equations with Variable Coefficients JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1999 SP - 84 EP - 88 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1999_33_4_a10/ LA - ru ID - FAA_1999_33_4_a10 ER -