Давлетьянц A. A. Methods and means of forming verbal messages in ergotic systems. Proceedings of National Aviation University (archive), [S. l.], v. 6, n. 1-2, p. 114–120, 2000. DOI: 10.18372/2306-1472.6.9728. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/9728. Acesso em: 13 apr. 2026.