@article{JRAM_1979__0307_0308_152120,
     author = {Kenneth H. Rosen},
     title = {On the parity of the number of lattice points in certain tetrahedra.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {276--278},
     publisher = {mathdoc},
     volume = {0307_0308},
     year = {1979},
     zbl = {0402.10048},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1979__0307_0308_152120/}
}