@article{ASNSP_2002_5_1_4_925_0,
     author = {Andersson, Mats and Berndtsson, Bo},
     title = {Non-holomorphic functional calculus for commuting operators with real spectrum},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {925--955},
     publisher = {Scuola normale superiore},
     volume = {Ser. 5, 1},
     number = {4},
     year = {2002},
     mrnumber = {1991008},
     zbl = {1099.47505},
     language = {en},
     url = {http://www.numdam.org./item/ASNSP_2002_5_1_4_925_0/}
}