There are a number of "citation not referenced" warnings when building the documentation with sphinx. (The "Homeir" one was a typo -- fixed in #978).
/home/runner/work/mpmath/mpmath/docs/references.rst:31: WARNING: Citation [Brent79] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:33: WARNING: Citation [Brent86] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:35: WARNING: Citation [Buhring] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:63: WARNING: Citation [Golub] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:65: WARNING: Citation [GolubWelsch] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:67: WARNING: Citation [Gourdon] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:73: WARNING: Citation [Homeir] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:77: WARNING: Citation [Kresser] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:81: WARNING: Citation [Lune84] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:83: WARNING: Citation [Lune86] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:101: WARNING: Citation [Stoer] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:103: WARNING: Citation [Stroud] is not referenced. [ref.citation]
/home/runner/work/mpmath/mpmath/docs/references.rst:109: WARNING: Citation [Trudgian] is not referenced. [ref.citation]
There are a number of "citation not referenced" warnings when building the documentation with sphinx. (The "Homeir" one was a typo -- fixed in #978).