01036nam a2200301 i 450099100146529970753620020507193948.0970609s1966 ||| ||| | eng b10851240-39ule_instLE01312661ExLDip.to Matematicaeng515.724AMS 47A05AMS 47A55Goldberg, Seymour47245Unbounded linear operators :theory and applications /Seymour GoldbergNew York :McGraw-Hill,c1966viii, 199 p. :ill. ;22 cm.Includes index.Bibliography: p. [191]-195Linear operatorsPerturbation theory.b1085124021-09-0628-06-02991001465299707536LE013 47A GOL11 (1966)12013000086071le013-E0.00-l- 0170170.i1096271228-06-02Unbounded Linear Operators354261UNISALENTOle01301-01-97ma -engxx 01