Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{ELMA_1969__24_140921, author = {S. Lajos}, title = {On (m,n)-ideals in subcommutative semigroups.}, journal = {Elemente der Mathematik}, pages = {39--40}, publisher = {mathdoc}, volume = {24}, year = {1969}, zbl = {0172.02403}, url = {http://geodesic.mathdoc.fr/item/ELMA_1969__24_140921/} }
S. Lajos. On (m,n)-ideals in subcommutative semigroups.. Elemente der Mathematik, Tome 24 (1969), pp. 39-40. http://geodesic.mathdoc.fr/item/ELMA_1969__24_140921/