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- [6] The Three-Dimensional Neumann Problem with Generalized Boundary Conditions and the Prandtl Equation Differential Equations, 2003, 39 : 1249 - 1262
- [8] On a Nonlocal Boundary Value Problem for a Three-dimensional Tricomi Equation in a Prismatic Unbounded Domain Lobachevskii Journal of Mathematics, 2022, 43 : 3104 - 3111