Lobachevskii Journal of Mathematics · 2021 · 14 citations · 8 references
Natural SciencesMathematicsDifferential EquationsBoundary ConditionsInitial Value ProblemsPartial Differential EquationsCauchy EquationCauchy ProblemHyperbolic Boundary-value ProblemsHyperbolic Partial Differential EquationsRiemann Problems
In this article, a special class of generalized solutions of the Cauchy problem for the hyperbolic equation with two lines of degeneracy of the second kind is introduced and the properties of this class of generalized solutions is studied. Using the properties of the Pochhammer symbol and of the Appell hypergeometric function of two variables, the solution of the Cauchy problem in an explicit and convenient form is found.
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Higher transcendental functions
Carl Hammer · Journal of the Franklin Institute · 1954 · 6.4K citations
Mathematical Aspects of Subsonic and Transonic Gas Dynamics
L. Howarth · Physics Bulletin · 1959 · 303 citations