@article{ELMA_1970__25_140992,
     author = {M.S. Klamkin and D.J. Newman},
     title = {Uniqueness {Theorems} for {Power} {Equations.}},
     journal = {Elemente der Mathematik},
     pages = {130--134},
     publisher = {mathdoc},
     volume = {25},
     year = {1970},
     zbl = {0203.35101},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1970__25_140992/}
}