adjective
having a lot of written evidence to prove, support or explain it :
The problem is well documented.
well-documented facts
adjective
having a lot of written evidence to prove, support or explain it :
The problem is well documented.
well-documented facts
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005