%0 Journal Article %A Konrad Schmüdgen %T On Commuting Unbounded Self-Adjoint Operators. III. %J Manuscripta mathematica %D 1986 %P 221-248 %V 54 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1986__54_155111/ %F MM2_1986__54_155111