@article{NSJOM_2006_36_1a_7,
     author = {G. Eigenthaler and B. \v{S}e\v{s}elja and A.

 Tepav\v{c}evi\'c},
     title = {Weak congruences of algebras with constants},
     journal = {Novi Sad Journal of Mathematics},
     pages = {65-73},
     publisher = {mathdoc},
     volume = {36},
     number = {1},
     year = {2006},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_2006_36_1a_7/}
}