%0 Journal Article %A V. A. Smirnov %T Twisted tensor products and Hirsch's theory %J Doklady Akademii Nauk %D 1974 %P 294-296 %V 219 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_219_2_a8/ %G ru %F DAN_1974_219_2_a8