@article{ZNSL_1978_77_a6,
     author = {P. P. Kulish and V. N. Popov},
     title = {Infrared asymptotics of the {Green's} function of massive particles in a charge-symmetric model},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {124--133},
     publisher = {mathdoc},
     volume = {77},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1978_77_a6/}
}