%0 Conference Proceedings %F hapo89 %A Harper, R. %A Pollack, R. %T Type Checking, Universe Polymorphism, and Typical Ambiguity in the Calculus of Constructions %B Proc. Int'l J't Conf. on Theory and Practice of Software Development (Vol. 2) %P 241-256 %I Springer-Verlag %C Barcelona, Spain %8 March %D 1989 %K typetheory