Ilya Kapovich, Zachary Simon. Primitivity index bounds in free groups, and the second Chebyshev function. IJAC, 33(1):105-122, February 2023. [doi]
@article{KapovichS23,
title = {Primitivity index bounds in free groups, and the second Chebyshev function},
author = {Ilya Kapovich and Zachary Simon},
year = {2023},
month = {February},
doi = {10.1142/S021819672350008X},
url = {https://doi.org/10.1142/S021819672350008X},
researchr = {https://researchr.org/publication/KapovichS23},
cites = {0},
citedby = {0},
journal = {IJAC},
volume = {33},
number = {1},
pages = {105-122},
}