The phrase "authors maintain" is correct and usable in written English.
It can be used when discussing the claims or positions that authors hold in their works, particularly in academic or analytical contexts.
Example: "In their research, the authors maintain that climate change is primarily driven by human activity."
Alternatives: "authors assert" or "authors argue".
The results, the three authors maintain, have been disastrous.
All that should be fixed, the authors maintain.
Scientists should also search Earth for weird life, the authors maintain.
A handful of historians and authors maintain that the most authoritative transcripts of those recordings include significant omissions and misrepresentations that could influence interpretations of the cover-up.
In the early 70's, only 54percentt of a typical household's $39,000 income went for the same expenses, the two authors maintain.
And in a key finding, the authors maintain that such an increase in the irrigated food supply can be accomplished without harmful depletions of the world's water supply.
Without such agencies, the authors maintain, innovation and integration won't spread far enough or fast enough throughout a large organization to keep pace with the smaller, younger, more technology-based competitors to which innovation and integration come much more naturally.
The authors maintain that local climate adaptation efforts require collective commitments to risk management, but that many communities are not ready to take on the challenge and urgently need enhanced capacity to support climate adaptation planning.
The Science article authors maintain that rather than stifle creativity or create undue burdens for researchers, better transparency practices will improve the scientific integrity and impact of their work.
The authors maintain that this kind of evidence could be especially useful in efforts to support students suffering from trauma and other adversities that trigger stress in the body, hurting students' ability to succeed.
New York's finest have a not-so-fine record of periodic brutality, corruption and ineptitude, the authors maintain, yet today's force is nonetheless one of the world's best, with excellent detectives and crime control methods, good technology, laudable integration and, notably, a healthy measure of self-control.
