KASHURI, Artion; LIKO, Rozana. Ostrowski type fractional integral operators for generalized (r; g, s, m, ϕ)-preinvex functions. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 63, n. 2, p. 155–173, 2018. DOI: 10.24193/subbmath.2018.2.01. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/1988. Acesso em: 5 feb. 2025.