00910nam0-22002891i-450-99000123142040332120070618142210.0000123142FED01000123142(Aleph)000123142FED0100012314220001205d1975----km-y0itay50------baengApplications of algebraic topologyGraphs and networks the Picard-Lefschetz theory and Feynman integralsby Solomon LefschetzNew York [etc.]Springer-Verlag1975.Applied mathematical sciences16With 52 Illustrations.Lefschetz,Solomon12523ITUNINARICAUNIMARCBK990001231420403321C-33-(1616684MA108 LL 283249 C.E.DINEDMA1DINEDApplications of algebraic topology382114UNINA