@article{10_1017_S0017089500000264,
     author = {Cooke, J. C.},
     title = {Note on a pair of dual trigonometric series},
     journal = {Glasgow mathematical journal},
     pages = {30--35},
     year = {1968},
     volume = {9},
     number = {1},
     doi = {10.1017/S0017089500000264},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500000264/}
}