Haase, Markus, 1970 Functional analysis: an elementary introduction/ Markus Haase. - xviii, 372 pages; 26 cm. - Graduate studies in mathematics; v. 156 . - Graduate studies in mathematics; v. 156. . Includes bibliographical references and indexes. ISBN: 9780821891711 (alk. paper) 0821891715 (alk. paper) LCCN: 2014015166 Subjects--Topical Terms: Functional analysis.Differential equations, Partial. Dewey Class. No.: 515.7 / H112f