Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1974__6_133961, author = {W.R. Nico}, title = {A study of operands in terms of maximal generalized orbits.}, journal = {Semigroup forum}, pages = {69--74}, publisher = {mathdoc}, volume = {6}, year = {1974}, zbl = {0256.20092}, url = {http://geodesic.mathdoc.fr/item/SF_1974__6_133961/} }
W.R. Nico. A study of operands in terms of maximal generalized orbits.. Semigroup forum, Tome 6 (1974), pp. 69-74. http://geodesic.mathdoc.fr/item/SF_1974__6_133961/