@article{01482197,
title = {Different levels of word problems for some varieties.},
journal = {Novi Sad Journal of Mathematics},
volume = {26},
year = {1996},
pages = {93-102},
zbl = {0944.08002},
language = {en},
url = {http://dml.mathdoc.fr/item/01482197}
}
Crvenković, S.; Delić, D. Different levels of word problems for some varieties.. Novi Sad Journal of Mathematics, Tome 26 (1996) pp. 93-102. http://gdmltest.u-ga.fr/item/01482197/