@article{GDZPPN002037602, title = {Iterative characterizations of powers and exponentials.}, journal = {Aequationes mathematicae}, volume = {38}, year = {1989}, pages = {201-218}, zbl = {0669.30016}, url = {http://dml.mathdoc.fr/item/GDZPPN002037602} }
Segal, S.L. Iterative characterizations of powers and exponentials.. Aequationes mathematicae, Tome 38 (1989) pp. 201-218. http://gdmltest.u-ga.fr/item/GDZPPN002037602/