%0 Journal Article %A V. E. Voskresenskii %T The birational invariants of algebraic tori %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1975 %V 30 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1975_30_2_a7/ %G ru %F RM_1975_30_2_a7