%0 Journal Article
%A I. M. Nikonov
%T Universal Karoubi's characteristic classes of nuclear $C^*$-algebras
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2007
%P 133-169
%V 13
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2007_13_8_a9/
%G ru
%F FPM_2007_13_8_a9