@article{00753700, title = {Factorial ratios that are integers.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {18}, year = {1995}, pages = {399-404}, doi = {10.1155/S0161171295000500}, zbl = {1042.11511}, language = {en}, url = {http://dml.mathdoc.fr/item/00753700} }
Akbik, Safwan. Factorial ratios that are integers.. International Journal of Mathematics and Mathematical Sciences, Tome 18 (1995) pp. 399-404. doi : 10.1155/S0161171295000500. http://gdmltest.u-ga.fr/item/00753700/