%0 Journal Article %A Yu. A. Drakokhrust %A V. P. Platonov %T The Hasse norm principle for algebraic number fields %J Izvestiya. Mathematics %D 1987 %P 299-322 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1987_29_2_a2/ %G en %F IM2_1987_29_2_a2