ГОСУДАРСЬКА, І. Submission spatial vicissitudes fatal risk ground in mathematical form. Proceedings of National Aviation University, [S. l.], v. 27, n. 1, p. 204–206, 2006. DOI: 10.18372/2306-1472.27.1271. Disponível em: https://jrnl.nau.edu.ua/index.php/visnik/article/view/1271. Acesso em: 4 may. 2024.