%0 Journal Article %A A. L. Chistov %T On the number of generators of a semigroup of classes of algebraic tori relative to stable equivalence %J Doklady Akademii Nauk %D 1978 %P 1027-1029 %V 242 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1978_242_5_a11/ %G ru %F DAN_1978_242_5_a11