%0 Journal Article %A M. Gailitis %T Influence of close coupling on the threshold behavior of the cross sections for the excitation of atoms by electrons %J Teoretičeskaâ i matematičeskaâ fizika %D 1970 %P 364-376 %V 3 %N 3 %U http://geodesic.mathdoc.fr/item/TMF_1970_3_3_a6/ %G ru %F TMF_1970_3_3_a6