%0 Journal Article %A V. A. Zakharov %T Approximation of abstract semantics by formal models of programs %J Diskretnaya Matematika %D 1998 %P 119-141 %V 10 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DM_1998_10_4_a7/ %G ru %F DM_1998_10_4_a7