01241nam a2200325 i 450099100134388970753620020507191742.0960216s1982 us ||| | eng 0387906665b10834436-39ule_instLE01310834ExLDip.to Matematicaeng515.7AMS 47A55QA329.2.K3725Kato, Tosio40573A short introduction to perturbation theory for linear operators /Tosio KatoNew York :Springer-Verlag,c1982xiii, 161 p. ;24 cm.Bibliography: p. [149]-152.Includes indexes."Slightly expanded reproduction of the first two chapters (plus introduction) of ... Perturbation theory for linear operators". - Pref.Linear operatorsPerturbation.b1083443621-09-0628-06-02991001343889707536LE013 47A KAT12 (1982)12013000042541le013-E0.00-l- 05450.i1094380828-06-02Short introduction to perturbation theory for linear operators34040UNISALENTOle01301-01-96ma -engus 21