@article{18663,
author = {Steffen Börm and Ralf Hiptmair},
title = {{Analysis of tensor product multigrid}},
doi = {10.1023/A:1016686408271},
journal = {Numerical algorithms},
pages = {219--234},
year = {2001},
volume = {26},
number = {3},
issn = {1017-1398},
}