@article{TMF_1974_18_2_a12,
     author = {A. P. Kochkin},
     title = {Calculation of scattering amplitudes near resonance},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {267--272},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1974_18_2_a12/}
}