%0 Journal Article %A Yu. A. Grigor'ev %A A. V. Tsiganov %T On the Abel equations and the Richelot integrals %J Russian journal of nonlinear dynamics %D 2009 %P 463-478 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/ND_2009_5_4_a1/ %G ru %F ND_2009_5_4_a1