Plesner Abram I Spectral theory of linear operators Plesner Abram I; Gibbs Alan G Tr.; Nestell Merlynd K Tr. - 1969 - p. cm. Standard No.: 29420 Source: Textual Subjects--Topical Terms: Funtional analysis Linear operatrosSpectral theory Dewey Class. No.: B43, K9.1-.2