01110nam a2200313 i 450099100081123970753620020506124449.0960227s1971 uk ||| | eng 0080165443b10132867-39ule_instLE00637228ExLDip.to Fisicaita53.3.1253.3.1553.3.16530.1'43QC174.5Todorov, I.T.461082Analytic properties of Feynman diagrams in quantum field theory /I.T. TodorovOxford :Pergamon,1971xvi, 152 p. :ill. ;22 cm.International series of monographs in natural philosophy ;38Dispersion relations.b1013286717-02-1727-06-02991000811239707536LE006 53.3.12+53.3.16 TOD12006000049894le006-E0.00-l- 00000.i1015593427-06-02Analytic properties of Feynman diagrams in quantum field theory185996UNISALENTOle00601-01-96ma -enguk 01