Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1996_26_1a_8, author = {Crvenkovi\'c S. and Deli\'c D.}, title = {Different levels of word problems for some varieties}, journal = {Novi Sad Journal of Mathematics}, pages = {93-102}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {1996}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1996_26_1a_8/} }
Crvenković S.; Delić D. Different levels of word problems for some varieties. Novi Sad Journal of Mathematics, Tome 26 (1996) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_1996_26_1a_8/