@article{TMF_1981_49_1_a0,
     author = {A. A. Arkhipov and V. I. Savrin},
     title = {Unitarity bound for three-particle scattering amplitude},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {3--25},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1981_49_1_a0/}
}