@article{ASNSP_1981_4_8_3_495_0,
     author = {Campanato, Sergio},
     title = {Generation of analytic semigroups by elliptic operators of second order in {H\"older} spaces},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {495--512},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 8},
     number = {3},
     year = {1981},
     mrnumber = {634859},
     zbl = {0475.35039},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1981_4_8_3_495_0/}
}