PANOV, Emil Ivanov. On another proof of the formula E = m.c2 according to the rotary theory. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, [S. l.], v. 1, n. 1, p. 13–20, 2017. DOI: 10.29114/ajtuv.vol1.iss1.22. Disponível em: https://aj.tu-varna.bg/index.php/ajtuv/article/view/22. Acesso em: 2 oct. 2025.