TY  - JOUR
AU  - A. Yu. Savin
TI  - On homotopic classification of elliptic problems with contractions and $K$-groups of corresponding $C^*$-algebras
JO  - Contemporary Mathematics. Fundamental Directions
PY  - 2018
SP  - 164
EP  - 179
VL  - 64
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMFD_2018_64_1_a9/
LA  - ru
ID  - CMFD_2018_64_1_a9
ER  -