Historian Attila Zsoldos analyzed the document in detail .
Historian Attila Zsoldos revealed the contradictions between archontological data , which still exist despite that historiographical efforts which tried to correct the charter 's date to 1183 or 1185 .
Historian Attila Zsoldos analyzed the document in detail and revealed the contradictions between archontological data , which still exist despite that historiographical efforts which tried to correct the charter 's date to 1183 or 1185 .