Summary
Jakob Lemvig and Kamilla Haahr Nielsen (2020) Gabor windows supported on {1,1$} and construction of compactly supported dual windows with optimal smoothness. J. Approx. Theory, 249:105304. 
Bibtex entry
@ARTICLE { MR4023140,
AUTHOR = { Jakob Lemvig and Kamilla Haahr Nielsen },
TITLE = { Gabor windows supported on {1,1$} and construction of compactly supported dual windows with optimal smoothness },
JOURNAL = { J. Approx. Theory },
YEAR = { 2020 },
VOLUME = { 249 },
PAGES = { 105304 },
ISSN = { 0021-9045 },
DOI = { 10.1016/j.jat.2019.105304 },
FJOURNAL = { Journal of Approximation Theory },
MRCLASS = { 42C15 },
MRNUMBER = { 4023140 },
URL = { https://doi.org/10.1016/j.jat.2019.105304 },
TAG = { journal },
}