Erwin Kreyszig

ISBN 0-88385-031-1  Kreyszig, Erwin (1988), Advanced Engineering Mathematics (6th ed.), New York: John Wiley & Sons, ISBN 0-471-85824-2  Kreyszig, Erwin (1989), Introductory

LF-空間からの任意の有界線形作用素は、点列連続（英語版）である。 作用素環論 作用素論 非有界作用素 Kreyszig, Erwin: Introductory Functional Analysis with Applications, Wiley, 1989

Kelley, John L. (1975). General Topology. Springer. ISBN 0-387-90125-6  Kreyszig, Erwin, Introductory functional analysis with applications (Wiley, New York

Proofs, Problems and Personalities. pp. 28, 226. ISBN 0-471-17661-3  Kreyszig, Erwin (1972), Advanced Engineering Mathematics (3rd ed.), New York: Wiley

Algebra, Waltham: Blaisdell Publishing Company, ISBN 978-1114541016  Kreyszig, Erwin (1972), Advanced Engineering Mathematics (3rd ed.), New York: Wiley