00378nam a2200133Ia 4500082002000000100003500020245003900055260002800094300002300122490004000145500002300185500000500208700003100213  a515.72bH623.MH  aHiai, Fumio and Kosaki, Hideki  aMeans of hilbert space operatorsb  aBerlinbSpringer-Verlag  a134p. Bibl. Index.  aLecture notes in mathematicsv 1820  aDuplicate phtocopy  a  aKosaki, Hideki ; jt. auth.