@article{ASNSP_1987_4_14_1_143_0,
     author = {Cardoso, Fernando and Mendoza, Ramon},
     title = {The spectral distribution of a globally elliptic operator},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {143--163},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 14},
     number = {1},
     year = {1987},
     mrnumber = {937540},
     zbl = {0657.35097},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1987_4_14_1_143_0/}
}