%0 Journal Article %A V. L. Kuz'min %T Removal of divergences in diagram expansions for systems with Coulomb interaction %J Teoretičeskaâ i matematičeskaâ fizika %D 1977 %P 239-245 %V 31 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1977_31_2_a9/ %G ru %F TMF_1977_31_2_a9