00746nam0-22002531i-450-990001240160403321000124016FED01000124016(Aleph)000124016FED0100012401620000920d1987----km-y0itay50------baengSpectral Theory of Ordinary Differential Operatorsby WEIDMANN J.Berlin [etc.]Springer-Verlag1987.Lecture Notes in MathematicsWeidmann,Joachim41951ITUNINARICAUNIMARCBK990001240160403321C-20-(12583433MA1MA1Spectral theory of ordinary differential operators78529UNINAING01