DAVID, Daniel. “IN MEMORIAM PROFESSOR PETRE T. FRANGOPOL, Ph.D., HONOR MEMBER OF THE ROMANIAN ACADEMY (1933-2020)”. Studia Universitatis Babeș-Bolyai Chemia 66, no. 3 (September 30, 2021): 7–8. Accessed May 31, 2026. https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/7834.