If you don't have much information about Jana Mrhacova, I can try to help you research her. Please let me know if that's the case.
Here is a simple draft report:
[Insert information about her career, achievements, and notable works/contributions] jana mrhacova
Please let me know if this helps or if you would like me to add anything else. If you don't have much information about Jana
[Insert biographical information, such as date of birth, nationality, education, etc.] such as date of birth
If you provide more context I will be happy to assist you further.
[Insert conclusion or summary of her significance]