TY  - JOUR
AU  - A. V. Kelarev
TI  - Recent results and open questions on semigroup graded rings
JO  - Fundamentalʹnaâ i prikladnaâ matematika
PY  - 1998
SP  - 1115
EP  - 1139
VL  - 4
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FPM_1998_4_4_a0/
LA  - ru
ID  - FPM_1998_4_4_a0
ER  -