Ударцев ЕП, Журавлева ЛА. Concept of investigation of no-failure system "airplane-crew-medium" with the account of the indefiniteness factor. Proceedings of National Aviation University [Internet]. 1998 Jan. 30 [cited 2024 Oct. 20];1(1):433-9. Available from: https://jrnl.nau.edu.ua/index.php/visnik/article/view/11162