Bakai, O. S., V. G. Bar’yakhtar, O. G. Galkina, A. F. Lozenko, V. M. Loktev, E. A. Pashitskii, O. V. Semenov, V. Y. Sugakov, Y. S. Yatskiv, and A. G. Zagorodny. “To the 80th Birthday of Serhiy Mykhailovych Ryabchenko”. Ukrainian Journal of Physics, vol. 65, no. 10, Oct. 2020, p. 831, https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2020281.