“SOME CHEMICAL TRANSFORMATIONS OF CONDENSED TWO-RING SYSTEMS, THAT INCLUDE γ-LACTONE AND OXIRANE FRAGMENTS”. Proceedings of the YSU B: Chemical and Biological Sciences 44, no. 3 (223) (September 24, 2010): 35–40. Accessed May 21, 2025. https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol_44_no3_2010_pp035-040.