00702nam0-22002411i-450-990001177910403321000117791FED01000117791(Aleph)000117791FED0100011779120000920d1953----km-y0itay50------baengMathematical Aspects of the Quantum Theory of Fieldsby FRIEDRICHS K.O.New YorkInterscience1953Friedrichs,Kurt Otto40614ITUNINARICAUNIMARCBK99000117791040332129-C-171641MA1MA1Mathematical Aspects of the Quantum Theory of Fields341963UNINAING01