1. More complete logics for reasoning about programs;Andréka;Math. Inst. Hung. Acad. Sci.,1980
2. On a proof of Shelah;Andréka;Bull. Acad. Polon. Sci. Ser. Sci. Math.,1976
3. A characterization of Floyd provable programs;Andréka,1981
4. Completeness of Floyd logic;Andréka;Bull. Section of Logic, Wroclaw,1978
5. Completeness problems in verification of programs and program schemes;Andréka,1979