Tokmajyan, G.G., and L.V. Karapetyan. “SYNTHESIS OF NEW DERIVATIVES OF 5-OXOTETRAHYDROFURAN”. Proceedings of the YSU B: Chemical and Biological Sciences, vol. 49, no. 2 (237), July 2015, pp. 14-17, doi:10.46991/PYSU:B/2015.49.2.014.