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Cauchy-Dirichlet problem for second-order hyperbolic equations in cylinders with non-smooth base. (English) Zbl 1151.35317
Summary: This paper is concerned with the smoothness of generalized solutions of the Cauchy-Dirichlet problem for the second-order hyperbolic equation in domains with a conical point.

##### MSC:
 35B65 Smoothness and regularity of solutions of PDE 35L05 Wave equation (hyperbolic PDE) 35L15 Second order hyperbolic equations, initial value problems 35L20 Second order hyperbolic equations, boundary value problems
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##### References:
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