Semantics of Disjunctive Logic Programs and Deductive Databases.

Teodor C. Przymusinski Semantics of Disjunctive Logic Programs and Deductive Databases. 85-107 1991 DOOD db/conf/dood/dood91.html#Przymusinski91 http://dx.doi.org/10.1007/3-540-55015-1_5