Aghaguseynova, M., G. Amanullayeva, and Z. Bayramova. “Synthesis of the Dioxygen Complex of Oil Cobalt (II) Porphyrin Complex and Study of Its Oxygenating Properties ”. Catalysis and Petrochemistry, no. 28, Nov. 2019, pp. 69-72, doi:10.15407/kataliz2019.28.069.