%0 Journal Article %A V. V. Sevostynova %T The invariant field of the adjoint action of the unitriangular group in the nilradical of a~parabolic subalgebra %J Zapiski Nauchnykh Seminarov POMI %D 2010 %P 167-194 %V 375 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_2010_375_a9/ %G ru %F ZNSL_2010_375_a9