00848nam0-22002651i-450-990001203400403321000120340FED01000120340(Aleph)000120340FED0100012034020000920d1972----km-y0itay50------baengMethods of Intermediate Problems for Eigenvalues Theory and Ramificationsby WEINSTE IN Alexandre and STENGER WilliamNew York [etc.]Academic Press197 2Mathematics in science and engineering89Weinstein,Alexander13640Stenger,WilliamITUNINARICAUNIMARCBK990001203400403321C-26-(8913266MA1MA1Methods of Intermediate Problems for Eigenvalues118447UNINAING01