@article{GDZPPN002077485, title = {Uniqueness Theorems for Power Equations.}, journal = {Elemente der Mathematik}, volume = {25}, year = {1970}, pages = {130-134}, zbl = {0203.35101}, url = {http://dml.mathdoc.fr/item/GDZPPN002077485} }
Klamkin, M.S.; Newman, D.J. Uniqueness Theorems for Power Equations.. Elemente der Mathematik, Tome 25 (1970) pp. 130-134. http://gdmltest.u-ga.fr/item/GDZPPN002077485/