Moerdijk, Ieke Proper maps of toposes/ I. Moerdijk, J.J.C. Vermeulen. - Providence, R.I.: American Mathematical Society, c2000. - ix, 108 p.: ill.; 26 cm. - Memoirs of the American Mathematical Society; no. 705 ; . Includes bibliographical references (p. 107-108). ISBN: 0821821687 (alk. paper) LCCN: 00059364 Subjects--Topical Terms: Toposes.Mappings (Mathematics) Dewey Class. No.: 510 s 512/.55