%0 Journal Article %A M. A. Malakhaltsev %T A class of manifolds over the algebra of dual numbers %J Trudy Geometricheskogo Seminara %D 1991 %P 70-79 %V 21 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1991_21_a9/ %G ru %F KUTGS_1991_21_a9