%0 Journal Article
%A Yu. L. Ershov
%T Characterization of Kochen rings of $PC_M$-fields
%J Doklady Akademii Nauk
%D 1991
%P 33-36
%V 316
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_316_1_a6/
%G ru
%F DAN_1991_316_1_a6