%0 Journal Article
%A A. Yu. Savin
%T On homotopic classification of elliptic problems with contractions and $K$-groups of corresponding $C^*$-algebras
%J Contemporary Mathematics. Fundamental Directions
%D 2018
%P 164-179
%V 64
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMFD_2018_64_1_a9/
%G ru
%F CMFD_2018_64_1_a9