@article{ETNA_2007__26__a13,
     author = {Kim,  Sang Dong},
     title = {Piecewise bilinear preconditioning of high-order finite element method},
     journal = {Electronic transactions on numerical analysis},
     pages = {228--242},
     year = {2007},
     volume = {26},
     zbl = {1171.65445},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2007__26__a13/}
}