Stephan Dahlke, Erich Novak, Winfried Sickel. Optimal approximation of elliptic problems by linear and nonlinear mappings IV: Errors in L::2:: and other norms. J. Complexity, 26(1):102-124, 2010. [doi]
@article{DahlkeNS10,
title = {Optimal approximation of elliptic problems by linear and nonlinear mappings IV: Errors in L::2:: and other norms},
author = {Stephan Dahlke and Erich Novak and Winfried Sickel},
year = {2010},
doi = {10.1016/j.jco.2009.10.002},
url = {http://dx.doi.org/10.1016/j.jco.2009.10.002},
researchr = {https://researchr.org/publication/DahlkeNS10},
cites = {0},
citedby = {0},
journal = {J. Complexity},
volume = {26},
number = {1},
pages = {102-124},
}