TY  - JOUR
AU  - A.B. Engel
AU  - L. Makar-Limanov
TI  - On groups rings which are not Ore domains.
JO  - Semigroup forum
PY  - 1989
SP  - 249
EP  - 254
VL  - 39
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SF_1989__39_2_134989/
ID  - SF_1989__39_2_134989
ER  -