01506nam0 22003733i 450 UBO023822120240816063122.0354058661X20081021d1995 ||||0itac50 baengengdez01i xxxe z01nPerturbation theory for linear operatorsTosio KatoBerlin [etc.]Springer Verlagc1995XXI, 619 p.24 cmClassics in mathematicsRipr. facs. della 2. ed.: Berlin [etc.] : Springer, 1980Pubbl. originariamente in: Grundlehren der mathematischen Wissenschaften ; 132.001VEA00717022001 Classics in mathematicsPerturbation theory for linear operatorsUBO4680687CFIV05759482699Calcolo operatorioFIRNAPC201711IOperatori lineariFIRCFIC023535I515ANALISI MATEMATICA14515.7246CALCOLO OPERATORIO. OPERATORI LINEARI22Kato, TosioCFIV05759407040573Katō, Tosio <1917- >NAPV130780Kato, TosioITIT-NA007920081021IT-BN0095 UBO0238221Biblioteca Centralizzata di Ateneo1 v. 01SALA DING 515 KAT.pe 0102 0000026395 B A4 1 v.3 1996041819960418 01Perturbation theory for linear operators82699UNISANNIO