%0 Journal Article %A L. A. Sargsyan %T On $SLDNF$-resolution in logic programming with negation %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2011 %P 40-46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2011_3_a5/ %G en %F UZERU_2011_3_a5