@article{02010115, title = {Weak congruence identities at 0.}, journal = {Novi Sad Journal of Mathematics}, volume = {32}, year = {2002}, pages = {77-85}, zbl = {1027.08003}, language = {en}, url = {http://dml.mathdoc.fr/item/02010115} }
Chajda, Ivan; Šešelja, Branimir; Tepavčević, Andreja. Weak congruence identities at 0.. Novi Sad Journal of Mathematics, Tome 32 (2002) pp. 77-85. http://gdmltest.u-ga.fr/item/02010115/