@article{CRMATH_2004__338_7_515_0,
     author = {Kozma, Gady and Olevski{\i}̆, Alexander},
     title = {Maximal smoothness of the anti-analytic part of a trigonometric null series},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {515--520},
     publisher = {Elsevier},
     volume = {338},
     number = {7},
     year = {2004},
     doi = {10.1016/j.crma.2004.01.025},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.01.025/}
}