%0 Journal Article %A Aiello, A. %A Burattini, E. %A Massarotti, A. %T Reducibility as a tool to extend the power of approximation algorithms the minimization of boolean expressions %J RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications %D 1977 %P 75-82 %V 11 %N 1 %I Centrale des revues, Dunod-Gauthier-Villars %C Montreuil %U http://geodesic.mathdoc.fr/item/ITA_1977__11_1_75_0/ %G en %F ITA_1977__11_1_75_0