Geodesic
A method of describing nonrenormalizable interactions, taking account of unitarity
Teoretičeskaâ i matematičeskaâ fizika, Tome 2 (1970) no. 2, pp. 197-209 Cet article a éte moissonné depuis la source Math-Net.Ru

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A unitary technique is developed for the construction of a Fourier-transform for two-point Green functions in localized and nonlocalized theories with nonrenormalizable interactions. Spectral representations are found for these functions. It is shown that the functions being studied have a logarithmic branch point $g^2$ for $g^2=0$ in momentum space. Cases of scalar zero-mass and large-mass particles are considered. 
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     author = {M. K. Volkov},
     title = {A~method of describing nonrenormalizable interactions, taking account of unitarity},
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M. K. Volkov. A method of describing nonrenormalizable interactions, taking account of unitarity. Teoretičeskaâ i matematičeskaâ fizika, Tome 2 (1970) no. 2, pp. 197-209. http://geodesic.mathdoc.fr/item/TMF_1970_2_2_a3/

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