Groetsch, C. W. Elements of applicable functional analysis / Charles W. Groetsch. - New York : M. Dekker, c1980. - x, 300 p. ; - Monographs and textbooks in pure and applied mathematics ; 55 . Includes index. ISBN: 0824769864 Subjects--Topical Terms: Functional analysis. Universal Decimal Class. No.: 517.98 / GRO