%0 Journal Article %A L. V. Gilyova %A V. V. Shaidurov %T Two multigrid iterative algorithms for a~discrete analogue of the biharmonic equation %J Sibirskij žurnal vyčislitelʹnoj matematiki %D 2004 %P 213-228 %V 7 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SJVM_2004_7_3_a3/ %G ru %F SJVM_2004_7_3_a3