A. Jay Goldstein. Recursive techniques in problem solving. In American Federation of Information Processing Societies: Proceedings of the AFIPS '67 Spring Joint Computer Conference, April 18-20, 1967, Atlantic City, New Jersey, USA. Volume 30 of AFIPS Conference Proceedings, pages 325-329, AFIPS / ACM / Thomson Book Company, Washington D.C., 1967. [doi]
Abstract is missing.