Dattoli, G., Lorenzutta, S., & Sacchetti, D. (1999). Two variable Lagrange expansion and new families of mixed generating functions. Annali dell’Università’ di Ferrara: Sezione VII — Scienze Matematiche, 45(1), 87. https://doi.org/10.1007/bf02825946
Παραπομπή σε μορφή Chicago (17η εκδ.)Dattoli, G., S. Lorenzutta, και D. Sacchetti. "Two Variable Lagrange Expansion and New Families of Mixed Generating Functions." Annali Dell’Università’ Di Ferrara: Sezione VII — Scienze Matematiche 45, no. 1 (1999): 87. https://doi.org/10.1007/bf02825946.
Παραπομπή σε μορφή MLA (9th εκδ.)Dattoli, G., et al. "Two Variable Lagrange Expansion and New Families of Mixed Generating Functions." Annali Dell’Università’ Di Ferrara: Sezione VII — Scienze Matematiche, vol. 45, no. 1, 1999, p. 87, https://doi.org/10.1007/bf02825946.