@PhdthesisMisc{P04_838,
author = {Pál-Andrej Nitsche},
title = {Sparse tensor product approximation of elliptic problems},
note = {Dis_no 15795, Prof. Dr. Christoph Schwab},
school = {ETH Z{\"u}rich},
doi = {http://dx.doi.org/10.3929/ethz-a-004907582},
year = {2004}
}