Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1994__44_2_a11, author = {Petrich, Mario}, title = {The translational hull of a normal cryptogroup}, journal = {Mathematica slovaca}, pages = {245--262}, publisher = {mathdoc}, volume = {44}, number = {2}, year = {1994}, mrnumber = {1282538}, zbl = {0807.20051}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a11/} }
Petrich, Mario. The translational hull of a normal cryptogroup. Mathematica slovaca, Tome 44 (1994) no. 2, pp. 245-262. http://geodesic.mathdoc.fr/item/MASLO_1994__44_2_a11/