@article{BAG_1987__24_138357,
     author = {Ewa Graczynska},
     title = {The word problem for regular identities},
     journal = {Beitr\"age zur Algebra und Geometrie},
     pages = {41--50},
     publisher = {mathdoc},
     volume = {24},
     year = {1987},
     zbl = {0615.08003},
     url = {http://geodesic.mathdoc.fr/item/BAG_1987__24_138357/}
}