00350nam a2200133Ia 4500020001500000082001900015100002400034245003400058260002900092300002900121500005600150500000500206700000500211  a0817641742  a515.72bK95.EO  aKubrusly, Carlos S.  aElements of operator theoryb  aBostonbBirkhauserc2001  axiii, 527p. Bibl. Index.  a"Purchased under NBHM grant for the year 2001-2002"  a  a