no. 4
Spherical analysis on harmonic AN groups
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 23 (1996) no. 4, pp. 643-679 
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     title = {Spherical analysis on harmonic $A N$ groups},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {643--679},
     year = {1996},
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Anker, Jean-Philippe; Damek, Ewa; Yacoub, Chokri. Spherical analysis on harmonic $A N$ groups. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 4, Tome 23 (1996) no. 4, pp. 643-679. https://www.numdam.org/item/ASNSP_1996_4_23_4_643_0/

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