%0 Journal Article %A Krendl, Wolfgang %A Rafetseder, Katharina %A Zulehner, Walter %T A decomposition result for biharmonic problems and the Hellan-Herrmann-Johnson method %J Electronic transactions on numerical analysis %D 2016 %P 257-282 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2016__45__a12/ %G en %F ETNA_2016__45__a12