ПУГАЧ, Б. Я. “НАУЧНЫЕ ПОИСКИ И ОТКРЫТИЯ П. Н. ЛЕБЕДЕВА”. The Journal of V. N. Karazin Kharkiv National University. Series "Theory of Culture and Philosophy of Science", Vol. 2, no. 1029, May 2015, p. 275, https://periodicals.karazin.ua/thcphs/article/view/2410.