00357nam a2200109Ia 4500008004100000082002000041100001800061245004500079260004500124300003600169490004200205240111b        |||||||| |||| 00| 0 eng d  a515.7bSu957.FA  aSunder, V. S.  aFunctional analysisb: spectral theory /  aNew Delhi:bHindustan Book Agency,c1997  ax, 306p. Index, Bibl. Appendix.  aTexts and readings in Mathematicsv13