References
1. B. Nagy, On a generalization of the Cauchy equation, Aequationes Math. 10 (1974), 165-171.
2. C.T. Ng, Functions generating Schur-convex sums, General Inequalities 5 (Proc. of 5th Int. Conf. General Inequalities, Oberwolwach 1986), 433-438.
3. K. Nikodem, On convex stochastic processes, Aequationes Math. 20 (1980), 184-197.
4. K. Nikodem, On some class of midconvex functions, Annales Polonici Mathematici L (1989), 145-151.
5. A. Skowroński, On some properties of J-convex stochastic processe, Aequationes Math. 44 (1992), 249-258.
Google Scholar