C. A. R. Hoare
3 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.
Proof of a Recursive Program: Quicksort
M. Foley et al. (1971) · The Computer Journal
Procedures and parameters: An axiomatic approach
C. A. R. Hoare (1971) · Symposium on Semantics of Algorithmic Languages
Quicksort
C. A. R. Hoare (1962) · The Computer Journal