@article{GAMA_1962_1962_1_a1, author = {P\'erez Carranza, Emilio}, title = {La conmutatividad en la potenciaci\'on.}, journal = {Gaceta matem\'atica}, pages = {12-17}, year = {1962}, volume = {14}, number = {1-2}, language = {es}, url = {http://geodesic.mathdoc.fr/item/GAMA_1962_1962_1_a1/} }