00839cam a2200265 i 45000010008000000030008000080050017000160080041000330100017000740200015000910400027001060500018001330820017001511000032001682450059002002600052002593000034003113650014003454900049003595000020004085040032004286500054004606500036005146500023005503225346BD-DhUL20200128091301.0790115s1980    enka     b    001 0 eng    a   79000296   a0521223695  aDLCcDLCdDLCdBD-DhUL00aQC793.2b.P6400a530219bPOM1 aPolkinghorne, J. C.,d1930-10aModels of high energy processes /cJ. C. Polkinghorne.  aCambridge :bCambridge University Press,c1980.  axiv, 131 p. :bill. ;c24 cm.  aS$b71.700 aCambridge monographs on mathematical physics  aIncludes index.  aBibliography: p. [126]-129. 0aParticles (Nuclear physics)xMathematical models. 0aPerturbation (Quantum dynamics) 0aFeynman integrals.