@article{TMF_1977_32_1_a2,
     author = {A. Karimkhodzhaev and R. N. Faustov},
     title = {Dyson--Schwinger equation for a~system of two particles in quantum electrodynamics},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {44--53},
     publisher = {mathdoc},
     volume = {32},
     number = {1},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1977_32_1_a2/}
}