On the complexity of approximating <i>k</i>-set packing.

Elad Hazan Shmuel Safra Oded Schwartz On the complexity of approximating <i>k</i>-set packing. 20-39 2006 15 Computational Complexity 1 http://dx.doi.org/10.1007/s00037-006-0205-6 db/journals/cc/cc15.html#HazanSS06