TY - BOOK AU - Hrbacek,Karel AU - Jech,Thomas J. TI - Introduction to set theory SN - 0824770749 AV - QA248 .H68 1984 U1 - 511.3/22 19 PY - 1984/// CY - New York PB - M. Dekker KW - Set theory N1 - Includes index ER -