00977nam0-22003011i-450-990001005120403321000100512FED01000100512(Aleph)000100512FED0100010051220000920d1981----km-y0itay50------baengStructure and Approximation in Physical TheoriesA. Hartkamper and H.-J. SchmidtOxfordLondonPlenum Press1981viii, 255 p.27 cmProceedings of a Colloquium on Structure and Approximation in Physical Theories, held at Osnabruck, FRG, in June 1980. - D.F.Fondamenti della fisica530Hartkämper,A.423567Schmidt,H.J.ITUNINARICAUNIMARCBK9900010051204033214B-12312123FI1FI1Structure and Approximation in Physical Theories354615UNINAING01