BILOUS, O. I. et al. To the 75th Anniversary of the Birthday of Leonid Bulavin. Ukrainian Journal of Physics, [S. l.], v. 65, n. 8, p. 653, 2020. Disponível em: https://ujp.bitp.kiev.ua/index.php/upc/article/view/2020218. Acesso em: 9 may. 2025.