Pull Request Readiness Checklist

See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request

• I agree to contribute to the project under Apache 2 License.
• To the best of my knowledge, the proposed patch is not based on a code under GPL or other license that is incompatible with OpenCV
• The PR is proposed to proper branch
• There is reference to original bug report and related work
• There is accuracy test, performance test and test data in opencv_extra repository, if applicable
  Patch to opencv_extra has the same branch name.
• The feature is well documented and sample code can be built with the project CMake

Warning: issue is still present with this PR. Maybe someone will found the solution

See:

• How to use the month field in BibTeX?
• Bibtex day and Month Problem

Unfortunately, there are still some issues (year is still not rendered for the two entries).

• In current master, e.g. 1, e.g. 2:

• With this PR, issue is still present on my computer
• Removing the month or the doi solve the rendering:

(Without month)

(Without doi)