NIKODEM, Kazimierz; RAJBA, Teresa. Ohlin and Levin-Stečkin-type results for strongly convex functions. Annales Mathematicae Silesianae, [S. l.], v. 34, n. 1, p. 123–132, 2020. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/13637. Acesso em: 18 apr. 2025.