Afanas’eva, O.S., V.I. Ryazanov, and R.R. Salimov. 2024. “Toward the Theory of the Sobolev Classes With Critical Exponent”. Reports of the National Academy of Sciences of Ukraine, no. 8 (April). Kyiv, Ukraine:3-8. https://doi.org/10.15407/dopovidi2019.08.003.