Fixed references

1 job for master in 5 seconds (queued for 2 seconds)
Status Job ID Name Coverage
failed #3360


Name Stage Failure
compile Build
Latexmk: For rule 'latex', no output was made
Collected error summary (may duplicate other messages):
latex: Command for 'latex' gave return code 1
Refer to 'manual.log' for details
Latexmk: Use the -f option to force complete processing,
unless error was exceeding maximum runs of latex/pdflatex.
=== TeX engine is 'pdfTeX'
Latexmk: Errors, so I did not complete making targets
ERROR: Job failed: exit status 1