Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{CMUC_1981__22_3_a16, author = {Duda, Jarom{\'\i}r}, title = {Varieties of subregular algebras are definable by a {Mal'cev} condition}, journal = {Commentationes Mathematicae Universitatis Carolinae}, publisher = {mathdoc}, volume = {22}, number = {3}, year = {1981}, language = {en}, url = {http://geodesic.mathdoc.fr/item/CMUC_1981__22_3_a16/} }
Duda, Jaromír. Varieties of subregular algebras are definable by a Mal'cev condition. Commentationes Mathematicae Universitatis Carolinae, Tome 22 (1981) no. 3. http://geodesic.mathdoc.fr/item/CMUC_1981__22_3_a16/