no. 4
Operational representations for the Laguerre polynomials
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 3, Tome 20 (1966) no. 4, pp. 739-744. 
@article{ASNSP_1966_3_20_4_739_0,
     author = {Chatterjea, S. K.},
     title = {Operational representations for the Laguerre polynomials},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {739--744},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 20},
     number = {4},
     year = {1966},
     zbl = {0145.07301},
     mrnumber = {206351},
     language = {en},
     url = {archive.numdam.org/item/ASNSP_1966_3_20_4_739_0/}
}
Chatterjea, S. K. Operational representations for the Laguerre polynomials. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 3, Tome 20 (1966) no. 4, pp. 739-744. http://archive.numdam.org/item/ASNSP_1966_3_20_4_739_0/

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