“Inducing Radicaloid Structures by Extremal Fields. Using Simple Nonempirical and Semiempirical Approaches”. V. N. Karazin Kharkiv National University Bulletin. Chemical series, no. 22 (December 20, 2013): 9–17. Accessed October 25, 2026. https://periodicals.karazin.ua/chemistry/article/view/14406.