@article{AIHPB_1969__5_2_113_0,
     author = {Ton That Long},
     title = {Sur le calcul fonctionnel d'une contraction compl\`etement non unitaire},
     journal = {Annales de l'institut Henri Poincar\'e. Section B. Calcul des probabilit\'es et statistiques},
     pages = {113--121},
     publisher = {Gauthier-Villars},
     volume = {5},
     number = {2},
     year = {1969},
     mrnumber = {273442},
     zbl = {0175.43103},
     language = {fr},
     url = {http://www.numdam.org/item/AIHPB_1969__5_2_113_0/}
}