@article{10_4064_sm_44_6_555_562,
     author = {J. Kahane and Y. Katznelson},
     title = {Sur les coefficients des s\'eries de {Fourier} dont les sommes partielles sont positives sur un ensemble},
     journal = {Studia Mathematica},
     pages = {555--562},
     publisher = {mathdoc},
     volume = {44},
     number = {6},
     year = {1972},
     doi = {10.4064/sm-44-6-555-562},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-44-6-555-562/}
}