@article{ETNA_2016__45__a12,
     author = {Krendl,  Wolfgang and Rafetseder,  Katharina and Zulehner,  Walter},
     title = {A decomposition result for biharmonic problems and the {Hellan-Herrmann-Johnson} method},
     journal = {Electronic transactions on numerical analysis},
     pages = {257--282},
     year = {2016},
     volume = {45},
     zbl = {1347.65169},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2016__45__a12/}
}