1. Ahmed, M.T., Kwon, C., 2010. Optimal Contract Problems in Online Advertising with Risk Considerations. Working paper.
2. Scheduling web banner advertisements with multiple display frequencies;Amiri;IEEE Transactions on Systems, Man and Cybernetics, Part A: Systems and Humans,2006
3. Araman, V., Fridgeirsdottir, K., 2011. A Uniform Allocation Mechanism and Cost-per-Impression Pricing for Online Advertising. Working paper.
4. The fixed point theory of multi-valued mappings in topological vector spaces;Browder;Mathematische Annalen,1968
5. Pseudomonotone variational inequality problems: Existence of solutions;Crouzeix;Mathematical Programming,1997