TY - BOOK AU - Cooper, S. B AU - Slaman, T. A AU - Wainer, S. S TI - Computability, enumerability, unsolvability : directions in recursion theory SN - 9780521557368 SN - 95044750 U1 - 511.35 SLA PY - 1996/// CY - Cambridge PB - Cambridge University Press KW - Recursion theory N1 - Includes bibliographical references ER -