Howard Aizenstein Avrim Blum Roni Khardon Eyal Kushilevitz Leonard Pitt Dan Roth On Learning Read-k-Satisfy-j DNF. 1515-1530 1998 27 SIAM J. Comput. 6 http://epubs.siam.org/sam-bin/dbq/article/27439 db/journals/siamcomp/siamcomp27.html#AizensteinBKKPR98