1. Natural 3-valued logics. characterization and proof theory;Avron;The Journal of Symbolic Logic,1991
2. Non-deterministic matrices and modular semantics of rules;Avron,2005
3. A non-deterministic view of non-classical negation;Avron;Studia Logica,2005
4. Canonical propositional Gentzen-type systems;Avron,2001
5. Cut elimination and quantification in canonical systems;Avron;Studia Logica,2006