000 00607nam a22002177a 4500
020 _a3540075585
082 _a515.7246
_bKAT/P
100 _aKato,T
245 _aPerturbation Theory for linear Operators/
_cby T.Kato
250 _a2nd ed.
260 _aHeidelberg:
_bSpringer-Verlag,
_c1976.
300 _axxi,619p.
650 _aPerturbation (Mathematics)
650 _aLinear operators
650 _aDifferential equations, Partial
650 _aMathematics
650 _aMathematical optimization
650 _aFunctional analysis
650 _aCalculus of variations
942 _cBK
999 _c667606
_d667606