%0 Journal Article %A A. A. Panov %T On the Diversity of Poincar\'e Mappings for Cubic Equations with Variable Coefficients %J Funkcionalʹnyj analiz i ego priloženiâ %D 1999 %P 84-88 %V 33 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1999_33_4_a10/ %G ru %F FAA_1999_33_4_a10