Matviiuk, T. V., M. V. Gorichko, C. Lherbet, M. Baltas, and Z. V. Voitenko. “Carbon-Carbon and Carbon-Heteroatom Conjugate Addition of N-Substituted Maleimides to 4h-1,2,4- Triazol-3-Thioles, 2-Amino-1,3-Thiazoles, 1h-Imidazole and 2-Phenylindolizine Catalyzed by Lewis Acids”. Journal of Organic and Pharmaceutical Chemistry, vol. 11, no. 3(43), Sept. 2013, pp. 36-42, doi:10.24959/ophcj.13.751.