TY  - JOUR
AU  - S. 

 Crvenković
AU  - I. Dolinka
TI  - Undecidable varieties with solvable word problems - III (a semigroup 

 variety)
JO  - Novi Sad Journal of Mathematics
PY  - 1998
SP  - 109
EP  - 117
VL  - 28
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/NSJOM_1998_28_2a_10/
ID  - NSJOM_1998_28_2a_10
ER  -