%0 Journal Article %A M. I. Karakhanyan %A T. M. Khudoyan %T On symmetric subalgebras in Banach algebra %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2009 %P 58-60 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2009_3_a9/ %G en %F UZERU_2009_3_a9