%0 Journal Article %A D. P. Zhelobenko %T On formal series and infinite products over~Lie algebras %J Lobachevskii journal of mathematics %D 1999 %P 207-218 %V 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_1999_4_a9/ %G en %F LJM_1999_4_a9