%0 Journal Article %A M. V. Ignat'ev %T Orthogonal subsets of root systems and the orbit method %J Algebra i analiz %D 2010 %P 104-130 %V 22 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2010_22_5_a3/ %G ru %F AA_2010_22_5_a3