1. Korovkin-type Approximation Theory and its Applications;Altomare,1994
2. M. Bessenyei, Hermite–Hadamard-type inequalities for generalized convex functions, Ph.D. Thesis, Institute of Mathematics, University of Debrecen, Debrecen, Hungary, 2005.
3. Hermite–Hadamard-type inequalities for generalized convex functions;Bessenyei;J. Inequal. Pure Appl. Math.,2008
4. Hadamard-type inequalities for generalized convex functions;Bessenyei;Math. Inequal. Appl.,2003
5. Characterizations of convexity via Hadamard’s inequality;Bessenyei;Math. Inequal. Appl.,2006