Arne Kutzner, Manfred Schmidt-Schauß. A Non-Deterministic Call-by-Need Lambda Calculus. In Matthias Felleisen, Paul Hudak, Christian Queinnec, editors, Proceedings of the third ACM SIGPLAN international conference on Functional programming. pages 324-335, ACM, Baltimore, Maryland, United States, 1998. [doi]
Abstract is missing.