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://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/13637. Acesso em: 7 may. 2025.