@article{1077492260, author = {Lehmer, D. H.}, title = {The lattice points of an $n$ -dimensional tetrahedron}, journal = {Duke Math. J.}, volume = {6}, number = {1}, year = {1940}, pages = { 341-353}, language = {en}, url = {http://dml.mathdoc.fr/item/1077492260} }
Lehmer, D. H. The lattice points of an $n$ -dimensional tetrahedron. Duke Math. J., Tome 6 (1940) no. 1, pp. 341-353. http://gdmltest.u-ga.fr/item/1077492260/