@article{10_1017_S0017089500001695,
     author = {Mordell, L. J.},
     title = {On {Sali\'e's} sum},
     journal = {Glasgow mathematical journal},
     pages = {25--26},
     year = {1973},
     volume = {14},
     number = {1},
     doi = {10.1017/S0017089500001695},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001695/}
}