@article{04065070, title = {Some further results on Legendre numbers.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {11}, year = {1988}, pages = {619-623}, doi = {10.1155/S0161171288000754}, zbl = {0653.10010}, language = {en}, url = {http://dml.mathdoc.fr/item/04065070} }
Haggard, Paul W. Some further results on Legendre numbers.. International Journal of Mathematics and Mathematical Sciences, Tome 11 (1988) pp. 619-623. doi : 10.1155/S0161171288000754. http://gdmltest.u-ga.fr/item/04065070/