@article{10_4064_aa164_1_5,
     author = {Sander R. Dahmen and Samir Siksek},
     title = {Perfect powers expressible as sums of
 two fifth or seventh powers},
     journal = {Acta Arithmetica},
     pages = {65--100},
     publisher = {mathdoc},
     volume = {164},
     number = {1},
     year = {2014},
     doi = {10.4064/aa164-1-5},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa164-1-5/}
}