Panov, E. “On Another Proof of the Formula E = M.C2 According to the Rotary Theory”. ANNUAL JOURNAL OF TECHNICAL UNIVERSITY OF VARNA, BULGARIA, Vol. 1, no. 1, Dec. 2017, pp. 13-20, doi:10.29114/ajtuv.vol1.iss1.22. Accessed 23 Jan. 2025.