%0 Journal Article %A Zapletal, Jan %A Bouchala, Jiří %T Effective semi-analytic integration for hypersingular Galerkin boundary integral equations for the Helmholtz equation in 3D %J Applications of Mathematics %D 2014 %P 527-542 %V 59 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10492-014-0070-6/ %R 10.1007/s10492-014-0070-6 %G en %F 10_1007_s10492_014_0070_6