%0 Journal Article %A A. V. Litavrin %T Automorphisms of the nilpotent subalgebra $ N\Phi (K) $ Chevalley algebra of symplectic type %J The Bulletin of Irkutsk State University. Series Mathematics %D 2015 %P 41-55 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/IIGUM_2015_13_a3/ %G ru %F IIGUM_2015_13_a3