BOSOV, A. A.; SAVCHENKO, L. M. MULTI FUNCTION VARIETIES. Science and Transport Progress , [S. l.], n. 16, p. 63–65, 2007. DOI: 10.15802/stp2007/17715. Disponível em: https://stp.ust.edu.ua/article/view/17715. Acesso em: 19 may. 2024.