@article{EJDE_2009__2009__a162,
     author = {Nguyen Manh Hung and Vu Trong Luong},
     title = {$L_p$-regularity of solutions to first initial-boundary value problem for hyperbolic equations in cusp domains},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2009},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a162/}
}