Maintainer: ‘Yuri M. Zhukov <zhukov@umich.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Yuri", "M."),
                      family = "Zhukov",
                      role = c("aut", "cre"),
                      email = "zhukov@umich.edu"),
               person(given = "Jason",
                      family = "Byers",
                      role = "aut"),
               person(given = "Marty",
                      family = "Davidson",
                      role = "aut"))
as necessary.
Maintainer: ‘Yuri M. Zhukov <zhukov@umich.edu>’

No Authors@R field in DESCRIPTION.
Please add one, modifying
  Authors@R: c(person(given = c("Yuri", "M."),
                      family = "Zhukov",
                      role = c("aut", "cre"),
                      email = "zhukov@umich.edu"),
               person(given = "Jason",
                      family = "Byers",
                      role = "aut"),
               person(given = "Marty",
                      family = "Davidson",
                      role = "aut"))
as necessary.