@inbook {5ee3def3b4cb46a28150b85becc69c0d,
	title = {WELL FOUNDED SEMANTICS FOR LOGIC PROGRAMS WITH EXPLICIT NEGATION},
	booktitle = {John Wiley \& Sons},
	year = {1992},
	note = {n/a},
	month = {1},
	pages = {102{\textendash}106},
	abstract = {n/a},
	author = {Alferes, {Jos{\'e} J{\'u}lio Alves}}
}
