@article{TDM_2008_11_1_a6,
     author = {V. M. Sidel'nikov and L. S. Kazarin},
     title = {On a group algebra of a dihedral group and complexity of multiplication of second order matrices},
     journal = {Trudy po diskretnoj matematike},
     pages = {109--118},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TDM_2008_11_1_a6/}
}