Martin Gairing Thomas Lücking Marios Mavronicolas Burkhard Monien The price of anarchy for polynomial social cost. 116-135 2006 369 Theor. Comput. Sci. 1-3 http://dx.doi.org/10.1016/j.tcs.2006.07.055 db/journals/tcs/tcs369.html#GairingLMM06