1. see e.g.: C. Itzykson and J.-B. Zuber:Quantum Field Theory ( Mc.Graw-Hill B.C., Singapore 1980 )
2. see e.g.: J. Fröhlich:New Developments in Quantum Field Theory, in: Proceeding of the X XIV International Conference on High Energy Physics, eds. R. Kotthaus and J.J. Kühn (Springer Verlag Berlin Heidelberg 1989 )
3. W.Zimmermann:Local Operator Products and Renormalization, in: Lectures on Element ary Particles and Fields, eds. S.Deser, M.Grisaru, H.Pendleton ( MIT Press., Cambridge, Mass 1970 )
4. G. Bonneau: Nucl. Phys. 167, 261 (1980)
5. see e.g.: J.H. Lowenstein:BP HZ Renormalization, in: Renormalization Theory, eds. G.Velo and A.Wightman ( D.Reidel, Dordrecht 1976 )