TY  - JOUR
AU  - A. V. Mikhalev
TI  - Multiplicative classification of associative rings
JO  - Sbornik. Mathematics
PY  - 1989
SP  - 205
EP  - 218
VL  - 63
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1989_63_1_a13/
LA  - en
ID  - SM_1989_63_1_a13
ER  -