01019nam a2200301 i 450099100096438970753620020507104506.0960428s1972 us ||| | eng 0262060477b1015453x-39ule_instLE00639867ExLDip.to Fisicaita53.3.1153.3.1253.3.16530.1'4QC174.45Fried, Herbert Martin45376Functional methods and models in quantum field theory /Herbert Martin FriedCambridge, MA :MIT Press,1972viii, 214 p. ;23 cm.Quantum field theory.b1015453x21-09-0627-06-02991000964389707536LE006 53.3.11 FRI12006000049061le006-E0.00-l- 00000.i1018684027-06-02Functional methods and models in quantum field theory187167UNISALENTOle00601-01-96ma -engus 01