%0 Journal Article %A A. P. Kochkin %T Calculation of scattering amplitudes near resonance %J Teoretičeskaâ i matematičeskaâ fizika %D 1974 %P 267-272 %V 18 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1974_18_2_a12/ %G ru %F TMF_1974_18_2_a12