Erich Novak, Henryk Wozniakowski. Approximation of infinitely differentiable multivariate functions is intractable. J. Complexity, 25(4):398-404, 2009. [doi]
@article{NovakW09-0,
title = {Approximation of infinitely differentiable multivariate functions is intractable},
author = {Erich Novak and Henryk Wozniakowski},
year = {2009},
doi = {10.1016/j.jco.2008.11.002},
url = {http://dx.doi.org/10.1016/j.jco.2008.11.002},
researchr = {https://researchr.org/publication/NovakW09-0},
cites = {0},
citedby = {0},
journal = {J. Complexity},
volume = {25},
number = {4},
pages = {398-404},
}