TY  - JOUR
AU  - Crvenković S.
AU  - Delić D.
TI  - Different levels of word problems for some varieties
JO  - Novi Sad Journal of Mathematics
PY  - 1996
SP  - 93
EP  - 102
VL  - 26
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_1996_26_1a_8/
ID  - NSJOM_1996_26_1a_8
ER  -