%0 Journal Article
%A G. I. Olshanskii
%T Extension of the algebra $\mathscr{U}(\mathfrak{g})$ for infinite-dimensional classical Lie algebras $\mathfrak{g}$ and 

%J Doklady Akademii Nauk
%D 1987
%P 1050-1054
%V 297
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_297_5_a5/
%G ru
%F DAN_1987_297_5_a5