@article{MAN_1962__148_161007,
     author = {N.V. RAO},
     title = {A {Theorem} on {Factorials.}},
     journal = {Mathematische Annalen},
     pages = {402--410},
     year = {1962},
     volume = {148},
     url = {http://geodesic.mathdoc.fr/item/MAN_1962__148_161007/}
}