%0 Journal Article %A Lévi, G. %A Pegna, A. M. %T Top-down mathematical semantics and symbolic execution %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1983 %P 55-70 %V 17 %N 1 %I EDP-Sciences %U http://geodesic.mathdoc.fr/item/ITA_1983__17_1_55_0/ %G en %F ITA_1983__17_1_55_0