1. Abramsky, S., Hankin C. (eds.): Abstract interpretation of declarative languages. Chichester: Ellis Horwood 1987
2. Aho, A.V., Sethi, R., Ullman, J.D.: Compilers: principles, techniques, and tools. Reading, MA: Addison-Wesley 1986
3. Allen, F.E., Cocke, J.: A program data flow analysis procedure. Commun. ACM19, 137?147 (1977)
4. Allen, R., Kennedy, K.: Automatic translation of FORTRAN programs to vector form. ACM Trans. Program. Lang. Syst.9, 491?542 (1987)
5. Alpern, B., Wegman, M., Zadeck, F.K.: Detecting inequality of values in programs. In: Conference Record of the Fifteenth Annual ACM Symposium on Principles of Programming Languates, pp. 1?11, 1988