Michael S. Floater, Espen Sande. 2 n-widths. Journal of Approximation Theory, 216:1-15, 2017. [doi]
@article{FloaterS17,
title = {2 n-widths},
author = {Michael S. Floater and Espen Sande},
year = {2017},
doi = {10.1016/j.jat.2016.12.002},
url = {http://dx.doi.org/10.1016/j.jat.2016.12.002},
researchr = {https://researchr.org/publication/FloaterS17},
cites = {0},
citedby = {0},
journal = {Journal of Approximation Theory},
volume = {216},
pages = {1-15},
}