00478nam a2200133   4500008004100000020001800041082002100059100001700080245006700097250001900164260005400183300003000237504007700267240102b        |||||||| |||| 00| 0 eng d  a9781470437794  a515.72bSi594.OT  aSimon, Barry  aOperator theory : a comprehensive course in analysis; part 4 /  aIndian edition  aProvidence:bAmerican Mathematical Society,c2023  axviii, 749p. Bibl. Index.  aPublished by Universities Press (India), Hyderabad, 2017, Reprinted 2023