1. Remark on the method of intermediate assertions;ABRAMOV;Soviet Math. Dokl.,1981
2. The nature of the incompleteness of the Hoare system;ABRAMOV;Soviet Math. Dokl.,1984
3. Compilers; Principles, Techniques and Tools;AHO,1986
4. AHO, A.V. and J.D. ULLMAN, Universality of data retrieval languages, in: Conf. Record 6th ACM SIGACT-SIGPLAN Symp. on Principles of Programming Languages (1979) 110–117.
5. Defining liveness;ALPERN;Inform. Process. Lett.,1985