Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{SF_1971__3_133871, author = {D. Zupnik}, title = {Cayley functions.}, journal = {Semigroup forum}, pages = {349--358}, publisher = {mathdoc}, volume = {3}, year = {1971}, zbl = {0244.20069}, url = {http://geodesic.mathdoc.fr/item/SF_1971__3_133871/} }
D. Zupnik. Cayley functions.. Semigroup forum, Tome 3 (1971), pp. 349-358. http://geodesic.mathdoc.fr/item/SF_1971__3_133871/