%0 Journal Article %A Yu. G. Dadayan %T Variation-difference schemes on coordinate condensed grids for biharmonic equation %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2006 %P 29-36 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2006_1_a2/ %G ru %F UZERU_2006_1_a2