@article{10_4153_CMB_1973_019_x,
     author = {Siddiqi, Rafat N.},
     title = {On {Density} of {Fourier} {Coefficients}},
     journal = {Canadian mathematical bulletin},
     pages = {93--103},
     year = {1973},
     volume = {16},
     number = {1},
     doi = {10.4153/CMB-1973-019-x},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-019-x/}
}