Schmeidler, Werner Linear operators in Hilbert space / by Werner Schmeidler - London : Academic Press , 1965 . - 122 p. Hard Back - Academic paperbacks / edited by Henry Booker ...[et al] . Subjects--Topical Terms: MathematicsHilbert spaceLinear operatorsSpectral theory Dewey Class. No.: 515.724 6 / WER-L