000 00464nam#a2200169ua#4500
001 GOACATREC28324
900 0 0 _a19990901
901 0 0 _aENG
020 0 0 _a3540075585
250 0 0 _a2nd Ed.
903 0 0 _a29012
245 0 0 _aPerturbation Theory for Linear Operations.
100 0 0 _aKato, Tosio
440 0 0 _aGundlehren Der Mathematischen Wissenschaften 132 : A Seires of Comprehensive Studies in M
902 0 0 _a517.7
260 0 0 _aBerlin
_bSpringer - Verlag.
_c1976
999 _c28352
_d28352