@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},
     publisher = {mathdoc},
     volume = {14},
     number = {1-2},
     year = {1962},
     language = {es},
     url = {http://geodesic.mathdoc.fr/item/GAMA_1962_1962_1_a1/}
}