000 00651nam a2200241Ia 4500
003 OSt
005 20220912151523.0
006 a|||||r|||| 00| 0
007 ta
008 220909b |||||||| |||| 00| 0 eng d
024 _a878
037 _cTextual
040 _aCSL
_beng
_cCSL
041 _aeng
082 _aB245, M4
100 _aBaumgartel H
245 0 _aAnalytic perturbation theory for matrices and operators
260 _aBasel
_bBirkhauser
_c1984
300 _a427p.
_ccm.
490 _aOperator theory: advances and applications; 15
942 _hB245, M4
_cTEXL
_2CC
999 _c70536
_d70536