András A. Benczúr David R. Karger Approximating <i>s-t</i> Minimum Cuts in <i>Õ</i>(<i>n</i><sup>2</sup>) Time. 47-55 1996 STOC http://doi.acm.org/10.1145/237814.237827 db/conf/stoc/stoc1996.html#BenczurK96