Makarov, Alexander, and Iryna Nikolenko. “Well-Posed Boundary Value Problems With an Integral Condition in Half-Space for Partial Differential Equations”. Visnyk of V. N. Karazin Kharkiv National University. Ser. Mathematics, Applied Mathematics and Mechanics 103 (May 31, 2026): 60–68. Accessed September 23, 2026. https://periodicals.karazin.ua/mech_math/article/view/28450.