APA

Kreyszig E., . (1989). Introductory functional analysis with applications. : John Wiley & Sons Inc., New York.

Chicago

Kreyszig Erwin, . 1989. Introductory functional analysis with applications. : John Wiley & Sons Inc., New York.

Harvard

Kreyszig E., . (1989). Introductory functional analysis with applications. : John Wiley & Sons Inc., New York.

MLA

Kreyszig Erwin, . Introductory functional analysis with applications. : John Wiley & Sons Inc., New York. 1989.