@article{10_1017_S0017089500003190,
     author = {Berndt, Bruce C. and Chowla, S.},
     title = {The reckoning of certain quartic and octic {Gauss} sums},
     journal = {Glasgow mathematical journal},
     pages = {153--155},
     year = {1977},
     volume = {18},
     number = {2},
     doi = {10.1017/S0017089500003190},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003190/}
}