@inproceedingsBriest_Chalermsook_Khanna_Laekhanukit_Nanongkai_2010, title=Improved Hardness of Approximation for Stackelberg Shortest-Path Pricing, DOI=10.1007/978-3-642-17572-5_37, booktitle=Workshop on Internet and Network Economics (WINE), author=Briest, Patrick and Chalermsook, Parinya and Khanna, Sanjeev and Laekhanukit, Bundit and Nanongkai, Danupon, year=2010