@article{TM_1975_136_a16,
     author = {G. P. Pron'ko and L. D. Solov'ev},
     title = {Low-energy photons in $S$-matrix electrodynamics},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {232--250},
     publisher = {mathdoc},
     volume = {136},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1975_136_a16/}
}