@article{10_1017_S0017089515000130,
     author = {BRAVO, JHON J. and LUCA, FLORIAN},
     title = {FACTORIALS {AND} {THE} {RAMANUJAN} {FUNCTION}},
     journal = {Glasgow mathematical journal},
     pages = {177--185},
     year = {2016},
     volume = {58},
     number = {1},
     doi = {10.1017/S0017089515000130},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089515000130/}
}