J.V. Guttag
2 references under this name, matched as it is written. Somebody else may write under it too, and the same person may appear here spelled another way.
Abstract Data Types and Software Validation
J.V. Guttag and others (1978) · Communications of the ACM
Proof rules for the programming language Euclid
R.L. London and others (1978) · Springer Science and Business Media LLC