Paul C. Kainen, Vera Kurková, Andrew Vogt. Approximative compactness of linear combinations of characteristic functions. Journal of Approximation Theory, 257:105435, 2020. [doi]
@article{KainenKV20,
title = {Approximative compactness of linear combinations of characteristic functions},
author = {Paul C. Kainen and Vera Kurková and Andrew Vogt},
year = {2020},
doi = {10.1016/j.jat.2020.105435},
url = {https://doi.org/10.1016/j.jat.2020.105435},
researchr = {https://researchr.org/publication/KainenKV20},
cites = {0},
citedby = {0},
journal = {Journal of Approximation Theory},
volume = {257},
pages = {105435},
}