%0 Journal Article %A Yu. Yu. Kochetkov %T Singular vectors, invariant operators, and discrete modules for Lie algebras of Hamiltonian vector fields $H(n)$ %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1989 %P 201-202 %V 44 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1989_44_5_a12/ %G en %F RM_1989_44_5_a12