@article{Alvareze2105112118,
author = "Luis Alvarez and   and   and Jean-Michel Morel",
doi = "10.1073/pnas.2105112118",
issn = "0027-8424",
journal = "Proceedings of the National Academy of Sciences",
number = "50",
publisher = "National Academy of Sciences",
title = "{C}omputing the daily reproduction number of {COVID}-19 by inverting the renewal equation using a variational technique",
url = "https://www.pnas.org/content/118/50/e2105112118",
volume = "118",
year = "2021",
}