Partial Stable Models for Logic Programs with Aggregates.

Nikolay Pelov Marc Denecker Maurice Bruynooghe Partial Stable Models for Logic Programs with Aggregates. 207-219 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2923&spage=207 2004 conf/lpnmr/2004 LPNMR db/conf/lpnmr/lpnmr2004.html#PelovDB04