Sanjeev Arora David Steurer Avi Wigderson Towards a Study of Low-Complexity Graphs. 119-131 2009 ICALP (1) http://dx.doi.org/10.1007/978-3-642-02927-1_12 conf/icalp/2009-1 db/conf/icalp/icalp2009-1.html#AroraSW09