%0 Journal Article %A A. M. Mukhamedzhanov %A M. K. Ubaidullaeva %A R. Yarmukhamedov %T Three-particle Coulomb on-shell vertex functions. Behavior of the amplitude for simultaneous transfer of two charged particles in the vicinity of the nearest singularity in %J Teoretičeskaâ i matematičeskaâ fizika %D 1993 %P 448-462 %V 94 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1993_94_3_a9/ %G ru %F TMF_1993_94_3_a9