Makarov, A., and A. Chernikova. “Well-Posedness and Parabolicity of the Boundary-Value Problem for Systems of Partial Differential Equations”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics, Vol. 99, June 2024, pp. 51-61, doi:10.26565/2221-5646-2024-99-04.