The authors admit to being rather surprised by this result.

The author later admitted that he had never actually been incarcerated as claimed in the book.

Both it and the authors have openly admitted their doubts.

However, the authors admit in the end that they still don't know what causes schizophrenia.

The author admits to basing most of the book's characters on real life actors or people he knows.

And later on - at some point - hadn't its author admitted this to her?

The book's five authors admit to a certain lack of knowledge about the issues.

Many authors do not admit the existence of such a semigroup.

It's different for everybody, as the author has admitted.

This is true, to a certain extent, and the authors admit as much in the paper.