%0 Journal Article %T Regularity of the Solution of the First Initial-Boundary Value Problem for Hyperbolic Equations in Domains with Cuspidal Points on Boundary %A Hung NguyenManh %A Luong VuTrong %J Boundary Value Problems %D 2009 %I Springer %X The goal of this paper is to establish the regularity of the solution of the first initial-boundary value problem for general higher-order hyperbolic equations in cylinders with the bases containing cuspidal points. %U http://www.boundaryvalueproblems.com/content/2009/135730