Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2001_31_1a_4, author = {D. Ma\v{s}ulovi\'c}, title = {Equivalence co-relations and co-congruences of co-algebras 33}, journal = {Novi Sad Journal of Mathematics}, pages = {33-38}, publisher = {mathdoc}, volume = {31}, number = {1}, year = {2001}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2001_31_1a_4/} }
D. Mašulović. Equivalence co-relations and co-congruences of co-algebras 33. Novi Sad Journal of Mathematics, Tome 31 (2001) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_2001_31_1a_4/