@article{MS2_1957__5_165658,
     author = {W.A. AL-SALAM},
     title = {Note on a q-identity},
     journal = {Mathematica Scandinavica},
     pages = {202--204},
     year = {1957},
     volume = {5},
     zbl = {0083.06104},
     url = {http://geodesic.mathdoc.fr/item/MS2_1957__5_165658/}
}