@article{01128752,
title = {A multigrid algorithm for higher order finite elements on sparse grids.},
journal = {ETNA. Electronic Transactions on Numerical Analysis [electronic only]},
volume = {6},
year = {1997},
pages = {63-77},
zbl = {0903.65087},
language = {en},
url = {http://dml.mathdoc.fr/item/01128752}
}
Bungartz, Hans-Joachim. A multigrid algorithm for higher order finite elements on sparse grids.. ETNA. Electronic Transactions on Numerical Analysis [electronic only], Tome 6 (1997) pp. 63-77. http://gdmltest.u-ga.fr/item/01128752/