APA (7th ed.) Citation

Beer, G., & Lucchetti, R. (1991). Solvability for constrained problems. Dip. di Matematica "F. Enriques".

Chicago Style (17th ed.) Citation

Beer, Gerald, and Roberto Lucchetti. Solvability for Constrained Problems. Milano: Dip. di Matematica "F. Enriques", 1991.

MLA (9th ed.) Citation

Beer, Gerald, and Roberto Lucchetti. Solvability for Constrained Problems. Dip. di Matematica "F. Enriques", 1991.