@article{00918322,
title = {A hierarchical preconditioner for the mortar finite element method.},
journal = {ETNA. Electronic Transactions on Numerical Analysis [electronic only]},
volume = {4},
year = {1996},
pages = {75-88},
zbl = {0870.65105},
language = {en},
url = {http://dml.mathdoc.fr/item/00918322}
}
Casarin, Mario A.; Widlund, Olof B. A hierarchical preconditioner for the mortar finite element method.. ETNA. Electronic Transactions on Numerical Analysis [electronic only], Tome 4 (1996) pp. 75-88. http://gdmltest.u-ga.fr/item/00918322/