Titov, Y.A., M.S. Slobodyanik, V.V. Chumak, and M.V. Tymoshenko. 2021. “Synthesis of Heterovalently Substituted Slab Perovskites Sr 2–xLnxBIV1–xBxIIIO4(BIV = Sn, Ti, BIII = Sc, In)”. Reports of the National Academy of Sciences of Ukraine, no. 1 (April). Kyiv, Ukraine:77-83. https://doi.org/10.15407/dopovidi2021.01.077.