TY  - JOUR
AU  - М.А. Малахальцев
TI  - On a type of manifolds over algebra of dual numbers
JO  - Trudy geometričeskogo seminara
PY  - 1991
SP  - 70
EP  - 79
VL  - 21
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TGS_1991__21_72438/
LA  - en
ID  - TGS_1991__21_72438
ER  -