%0 Journal Article %A Kwak Do Y. %A Lee Jun S. %T The $V$-cycle multigrid convergence of some finite difference scheme for the Helmholtz equation %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2005 %P 207-218 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2005_8_3_a2/ %G en %F SJVM_2005_8_3_a2