%0 Journal Article %A V. N. Pervushin %T Eikonal representation for the amplitudes of scattering of Dirac particles by an arbitrary potential %J Teoretičeskaâ i matematičeskaâ fizika %D 1971 %P 264-272 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_1971_9_2_a7/ %G ru %F TMF_1971_9_2_a7