00884cam0-22003371i-450-99000254974040332120060929122730.0000254974FED01000254974(Aleph)000254974FED0100025497420030910d1964----km-y0itay50------baengUSy-------001yyLectures on invariant subspacesHenry HelsonNew YorkAcademic Press1964XI, 130 p.24 cmSpazi funzionaliAnalisi funzionale515519Helson,Henry59046ITUNINARICAUNIMARCBK990002549740403321MXI-C-55185MASMXI-A-71034285MASMASLectures on invariant subspaces437474UNINA