Reducibility as a tool to extend the power of approximation algorithms the minimization of boolean expressions A. Aiello; E. Burattini; A. Massarotti — 1977 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications
Towards a general principle of evaluation for approximate algorithms A. Aiello; E. Burattini; A. Massarotti; F. Ventriglia — 1979 RAIRO - Theoretical Informatics and Applications - Informatique Théorique et Applications