%0 Journal Article %A Yu. L. Klimontovich %T Approximations of ``free'' and ``bound'' charges for a system of charged particles. Self-consistent equations for the second distribution functions %J Doklady Akademii Nauk %D 1965 %P 1052-1055 %V 165 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_165_5_a19/ %G ru %F DAN_1965_165_5_a19