%0 Journal Article %A Z. I. Borevich %T On the group of principal units of a~normal $p$-extension of a~regular local field %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1965 %P 30-44 %V 80 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1965_80_a3/ %G ru %F TM_1965_80_a3