@article{PORMA_1981__40_2_115445,
     author = {Clunie, J.},
     title = {Trigonometric series with gaps},
     journal = {Portugaliae mathematica},
     pages = {221--230},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1981},
     mrnumber = {0819886},
     zbl = {0582.42006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1981__40_2_115445/}
}