@article{1183503473, author = {Lehmer, D. H. and Lehmer, Emma}, title = {On the first case of Fermat's last theorem}, journal = {Bull. Amer. Math. Soc.}, volume = {47}, number = {11}, year = {1941}, pages = { 139-142}, language = {en}, url = {http://dml.mathdoc.fr/item/1183503473} }
Lehmer, D. H.; Lehmer, Emma. On the first case of Fermat's last theorem. Bull. Amer. Math. Soc., Tome 47 (1941) no. 11, pp. 139-142. http://gdmltest.u-ga.fr/item/1183503473/