00730nam a22002177a 450000500170000000800410001702000180005802801240007608200160020010000180021624500450023426000570027930000240033636500080036049000430036865000170041165000130042865000190044165000340046070000180049420211112124955.0211112b           ||||| |||| 00| 0 eng d  a9789380250748  a:Variety Books Publishers & Distributors	b:B-10 Street No 2 West Vinod Nagar Delhi 110092 c:IM2892d:02/11/2021			     a515.724 SUN  aSunder, V. S.  aOperators on Hilbert Spacec/ V S Sunder  aNew Delhi, India b: Hindustan Book Agency,c ©2015  a98 pages c; 24 cm.  b225  aTexts and readings in mathematics, 71.  aMathematics   aAnalysis  aHilbert space.  aSpectral theory (Mathematics)  aSunder, V. S.