Noga Alon Asaf Shapira Benny Sudakov Additive Approximation for Edge-Deletion Problems (Abstract). 1-2 2006 conf/icalp/2006-1 ICALP (1) http://dx.doi.org/10.1007/11786986_1 db/conf/icalp/icalp2006-1.html#AlonSS06