000 00409pam a2200133a 44500
040 _aP K Kelkar Library, IIT Kanpur
082 _a515.733
_bF914s
100 _aFriedrichs, Kurt Otto
245 1 _aSpectral theory of operators in Hilbert space
_cKurt Otto Friedrichs
260 _aNew York
_bInstitute Of Mathematical Science
_c1960
300 _a204p
650 _aHilbert space
997 _a50585 C
999 _c428184
_d428184