Alfred Geroldinger. Sets of Lengths. The American Mathematical Monthly, 123(10):960-988, 2016. [doi]
@article{Geroldinger16,
title = {Sets of Lengths},
author = {Alfred Geroldinger},
year = {2016},
url = {https://www.tandfonline.com/doi/abs/10.4169/amer.math.monthly.123.10.960},
researchr = {https://researchr.org/publication/Geroldinger16},
cites = {0},
citedby = {0},
journal = {The American Mathematical Monthly},
volume = {123},
number = {10},
pages = {960-988},
}