@article{ASNSP_1997_4_24_4_685_0,
     author = {Mart{\'\i}nez, Celso and Sanz, Miguel},
     title = {Spectral mapping theorem for fractional powers in locally convex spaces},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {685--702},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 24},
     number = {4},
     year = {1997},
     mrnumber = {1627334},
     zbl = {0910.47012},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1997_4_24_4_685_0/}
}