%0 Journal Article %A A. A. Davydov %T The~normal form of slow motions of an equation of relaxation type and fibrations of binomial surfaces %J Sbornik. Mathematics %D 1988 %P 133-141 %V 60 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1988_60_1_a7/ %G en %F SM_1988_60_1_a7