Proceedings of the twenty first annual ACM Symposium on Theory of Computing : Seattle, Washington, May 15-17, 1989
sponsored by the ACM Special Interest Group for Automata and Computability Theory.
New York : ACM Press, ©1989.
viii, 600 págs. : il ; 28 cm.
ISBN: 0897913078
Incluye referencias bibliográficas e índice de autores.