000 00551nam a2200217Ia 4500
003 OSt
005 20220928151323.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a123199
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aB313N, L3
100 _aFriedrichs K O
_9517012
245 0 _aSpectral theory of operators in Hilbert space.
260 _c1973
942 _hB313N, L3
_cTEXL
_2CC
999 _c851070
_d851070