On convergence of orthogonal series of Bessel functions
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 27 (1973) no. 3, p. 507-525 
@article{ASNSP_1973_3_27_3_507_0,
     author = {Benedek, A. and Panzone, R.},
     title = {On convergence of orthogonal series of Bessel functions},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 27},
     number = {3},
     year = {1973},
     pages = {507-525},
     zbl = {0273.42013},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1973_3_27_3_507_0}
}

Benedek, A.; Panzone, R. On convergence of orthogonal series of Bessel functions. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Serie 3, Volume 27 (1973) no. 3, pp. 507-525. http://www.numdam.org/item/ASNSP_1973_3_27_3_507_0/

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