↑According to (Accardi 1992, hlm.150). Precisely, Accardi's analysis of the contribution of Volterra to the founding of functional analysis is aimed to show that he was the sole founder of the field, and to stimulate the readers to read Volterra's original papers.
Gemelli, Agostino (1942), "La relazione del presidente"[The president's relation](PDF), Acta Pontificia Academia Scientarum, 6: XI–XXIV, diarsipkan dari asli(PDF) tanggal 2016-03-05, diakses tanggal 2020-11-25. The commemorative address pronounced by Agostino Gemelli on the occasion of the first seance of the fourth academic year of Pontificial Academy of Sciences: it includes his commemoration of various deceased members.
Pancaldi, Giuliano (1993), "Vito volterra: Cosmopolitan Ideals and Nationality in the Italian Scientific Community between the Belle époque and the First World War", Minerva, 31 (1): 21–37, doi:10.1007/BF01096170, ISSN0026-4695, S2CID144918235.
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