Аbdullin K., Gabdullin М., Ramazanov Т., D. Batryshev, D. Ismailov, D. Schur, and Y. Daineko. “The Synthesis of Fullerenes in an Arc Discharge”. Recent Contributions to Physics, vol. 2015, no. 1, Apr. 2015, pp. 40-45, https://bph.kaznu.kz/index.php/zhuzhu/article/view/959.