@article{SJVM_2005_8_3_a2,
     author = {Kwak Do Y. and Lee Jun S.},
     title = {The $V$-cycle multigrid convergence of some finite difference scheme for the {Helmholtz} equation},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {207--218},
     publisher = {mathdoc},
     volume = {8},
     number = {3},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2005_8_3_a2/}
}