“Partial Parabolicity of the Boundary-Value Problem for Pseudodifferential Equations in a Layer”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 89 (May 15, 2019): 21–32. Accessed October 24, 2026. https://periodicals.karazin.ua/mech_math/article/view/12858.