Improve for the citation not found

[eliselavy]

Extract the good key

see here: https://github.com/jdh-observer/JMU8e6tFQscz/blob/main/report.md#citations-found-with-problem

[eliselavy]

@memerchik
you can use this https://github.com/jdh-observer/JMU8e6tFQscz/blob/8e23a29fa8c65d421b3ada8f02f67ad178ad58c5/article.ipynb to test