Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1977__27_3_a0, author = {\v{Z}embery, Ivan}, title = {Admissible operations in categories of algebras}, journal = {Mathematica slovaca}, pages = {209--212}, publisher = {mathdoc}, volume = {27}, number = {3}, year = {1977}, mrnumber = {536136}, zbl = {0362.18009}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1977__27_3_a0/} }
Žembery, Ivan. Admissible operations in categories of algebras. Mathematica slovaca, Tome 27 (1977) no. 3, pp. 209-212. http://geodesic.mathdoc.fr/item/MASLO_1977__27_3_a0/