Danyliuk, I. Y., R. I. Vas’kevich, A. I. Vas’kevich, O. O. Lukianov, and M. V. Vovk. “The Proton-Initiated Cyclization of N-Alkylamides of Styrylacetic Acids. The Synthesis of 5-Arylpirrolidine-2-Ones”. Journal of Organic and Pharmaceutical Chemistry, vol. 16, no. 1(61), Mar. 2018, pp. 11-18, doi:10.24959/ophcj.18.933.