%0 Journal Article %A V. M. Sidel'nikov %A L. S. Kazarin %T On a group algebra of a dihedral group and complexity of multiplication of second order matrices %J Trudy po diskretnoj matematike %D 2008 %P 109-118 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/TDM_2008_11_1_a6/ %G ru %F TDM_2008_11_1_a6