@article{AIHPB_2001__37_5_581_0,
     author = {Biane, Philippe and Speicher, Roland},
     title = {Free diffusions, free entropy and free {Fisher} information},
     journal = {Annales de l'I.H.P. Probabilit\'es et statistiques},
     pages = {581--606},
     publisher = {Elsevier},
     volume = {37},
     number = {5},
     year = {2001},
     mrnumber = {1851716},
     zbl = {1020.46018},
     language = {en},
     url = {http://www.numdam.org/item/AIHPB_2001__37_5_581_0/}
}