%0 Journal Article %A M. B. Gavrikov %T A~kinetics equation for a~singular beam of particles in an external forces field %J Matematičeskoe modelirovanie %D 1994 %P 65-76 %V 6 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM_1994_6_4_a6/ %G ru %F MM_1994_6_4_a6