APA

Groetsch C. W., . (1980). Elements of applicable functional analysis. New York [u.a.]: Dekker.

Chicago

Groetsch Charles W, . 1980. Elements of applicable functional analysis. New York [u.a.]: Dekker.

Harvard

Groetsch C. W., . (1980). Elements of applicable functional analysis. New York [u.a.]: Dekker.

MLA

Groetsch Charles W, . Elements of applicable functional analysis. New York [u.a.]: Dekker. 1980.