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< /ˌɛ uˈdʒɛ nyɔ/, 1835–1900, Italian mathematician.
Eugenio Beltrami – Wikipedia, la enciclopedia libre
Eugenio Beltrami – EcuRed
RMG – 50° aniversario del Venerable Don Andrea Beltrami SDB
Luca Beltrami – Wikipedia
Beltrami Portraits