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@article{MOMA_1989__108_2-3_178436, author = {Werner Georg Nowak}, title = {On {Sums} of {Two} {Coprime} k-th {Powers.}}, journal = {Monatshefte f\"ur Mathematik}, pages = {47--58}, publisher = {mathdoc}, volume = {108}, number = {2-3}, year = {1989}, zbl = {0678.10034}, url = {http://geodesic.mathdoc.fr/item/MOMA_1989__108_2-3_178436/} }
Werner Georg Nowak. On Sums of Two Coprime k-th Powers.. Monatshefte für Mathematik, Tome 108 (1989) no. 2-3, pp. 47-58. http://geodesic.mathdoc.fr/item/MOMA_1989__108_2-3_178436/