TY - JOUR AU - M. A. Malakhaltsev TI - Structures of a manifold over the algebra of dual numbers on a torus JO - Trudy Geometricheskogo Seminara PY - 1994 SP - 47 EP - 62 VL - 22 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/KUTGS_1994_22_a4/ LA - ru ID - KUTGS_1994_22_a4 ER -