%0 Journal Article %A A. A. Sukhanov %T Description of density orbits of semiregular nilpotent elements in simple Lie algebras of small dimensions %J Fundamentalʹnaâ i prikladnaâ matematika %D 1999 %P 1263-1267 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/FPM_1999_5_4_a21/ %G ru %F FPM_1999_5_4_a21