@article{AIHPB_2006__42_5_635_0,
     author = {Belinschi, Serban Teodor},
     title = {A note on regularity for free convolutions},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {635--648},
     publisher = {Elsevier},
     volume = {42},
     number = {5},
     year = {2006},
     doi = {10.1016/j.anihpb.2005.05.004},
     mrnumber = {2259979},
     zbl = {1107.46043},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.anihpb.2005.05.004/}
}