@article{GDZPPN002297256, title = {The Diophantine Equation ...}, journal = {Mathematische Annalen}, volume = {174}, year = {1967}, pages = {138-141}, zbl = {0151.03401}, url = {http://dml.mathdoc.fr/item/GDZPPN002297256} }
Mordell, L.J. The Diophantine Equation .... Mathematische Annalen, Tome 174 (1967) pp. 138-141. http://gdmltest.u-ga.fr/item/GDZPPN002297256/