Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{JDM_1971__73_146596, author = {A.D. Wallace}, title = {Externally {Induced} {Operations.}}, journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung}, pages = {48--52}, publisher = {mathdoc}, volume = {73}, year = {1971}, zbl = {0214.27303}, url = {http://geodesic.mathdoc.fr/item/JDM_1971__73_146596/} }
A.D. Wallace. Externally Induced Operations.. Jahresbericht der Deutschen Mathematiker-Vereinigung, Tome 73 (1971), pp. 48-52. http://geodesic.mathdoc.fr/item/JDM_1971__73_146596/