1. Functional constructions in k-valued logic;Yablonskii,1958
2. Local algorithms for the calculation of information;Zhuravlëv;Kibernetika,1965
3. Set-theoretic methods in the algebra of logic;Zhuravlëv,1962
4. A way to simplify truth functions;Quine;Amer. Math. Monthly,1955
5. On ćores and prime implications of truth functions;Quine;Amer. Math. Monthly,1959