Geodesic
Infrared divergences in theories with massless scalar and spinor fields
Teoretičeskaâ i matematičeskaâ fizika, Tome 66 (1986) no. 2, pp. 174-187

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It is shown that the matrix elements in the $\varphi^4$ and Wess–Zumino models are free of infrared divergences (except for the divergences in the propagator insertions in external lines). A class of models with massless spinor and scalar fields that possess an analogous infrared structure is found. The results are interpreted physically. 
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     author = {A. Yu. Kamenshchik and N. A. Sveshnikov},
     title = {Infrared divergences in theories with massless scalar and spinor fields},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {174--187},
     publisher = {mathdoc},
     volume = {66},
     number = {2},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1986_66_2_a1/}
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A. Yu. Kamenshchik; N. A. Sveshnikov. Infrared divergences in theories with massless scalar and spinor fields. Teoretičeskaâ i matematičeskaâ fizika, Tome 66 (1986) no. 2, pp. 174-187. http://geodesic.mathdoc.fr/item/TMF_1986_66_2_a1/