LaraT., MatkowskiJ., MerentesN., QuinteroR. and WróbelM. (2017) “A generalization of m-convexity and a sandwich theorem”, Annales Mathematicae Silesianae, 31, pp. 107-126. Available at: https://www.journals.us.edu.pl/index.php/AMSIL/article/view/13943 (Accessed: 17May2024).