no. 1
The spectral distribution of a globally elliptic operator
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 14 (1987) no. 1, pp. 143-163. 
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Cardoso, Fernando; Mendoza, Ramon. The spectral distribution of a globally elliptic operator. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 14 (1987) no. 1, pp. 143-163. http://www.numdam.org/item/ASNSP_1987_4_14_1_143_0/

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