%0 Journal Article %A S. S. Afanas'eva %A S. V. Vostokov %T Classification of formal $A$-modules in the case of small ramification %J Zapiski Nauchnykh Seminarov POMI %D 2014 %P 5-12 %V 430 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2014_430_a0/ %G ru %F ZNSL_2014_430_a0