authored russian

• сочиня́емый

  being composed, being written, being created, being authored

  being invented, being made up, being fabricated

Examples

• Том при́нял уча́стие в созда́нии трёх уче́бников.

  Tom has co-authored three textbooks.

• Том явля́ется соа́втором трёх уче́бников.

  Tom has co-authored three textbooks.