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Academic Journal
Authors: Le Duc, Chan1 chan.leduc@univ-tln.fr, Le Thanh, Nhan2 nhan.le-thanh@unice.fr, Rousset, Marie-Christine3 marie-christine.rousset@imag.fr
Superior Title: AI Communications. 2006, Vol. 19 Issue 3, p239-273. 35p. 7 Diagrams, 1 Chart.
Subject Terms: *MATHEMATICAL logic, *ALGORITHMS, *SEMANTICS, *HOMOMORPHISMS, *APPROXIMATION theory