@article{GDZPPN002223740, title = {On A Conjecture of Emma Lehmer.}, journal = {Manuscripta mathematica}, volume = {35}, year = {1981}, pages = {353-370}, language = {en}, url = {http://dml.mathdoc.fr/item/GDZPPN002223740} }
Hudson, Richard H. On A Conjecture of Emma Lehmer.. Manuscripta mathematica, Tome 35 (1981) pp. 353-370. http://gdmltest.u-ga.fr/item/GDZPPN002223740/