Clement T. Yu, K. Lam, M. K. Siu, Z. Meral Özsoyoglu. Performance Analysis of three Related Assignment Problems. In Philip A. Bernstein, editor, Proceedings of the 1979 ACM SIGMOD International Conference on Management of Data, Boston, Massachusetts, May 30 - June 1. pages 82-92, ACM, 1979. [doi]
Abstract is missing.