@article{ETNA_2004__17__a7,
     author = {Zhao, Jie},
     title = {Convergence of $V$-cycle and $F$-cycle multigrid methods for the biharmonic problem using the {Morley} element},
     journal = {Electronic transactions on numerical analysis},
     pages = {112--132},
     publisher = {mathdoc},
     volume = {17},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2004__17__a7/}
}