%0 Journal Article %A M. A. Malakhaltsev %T Structures of a manifold over the algebra of dual numbers on a torus %J Trudy Geometricheskogo Seminara %D 1994 %P 47-62 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUTGS_1994_22_a4/ %G ru %F KUTGS_1994_22_a4