@article{UZERU_2009_3_a9,
     author = {M. I. Karakhanyan and T. M. Khudoyan},
     title = {On symmetric subalgebras in {Banach} algebra},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {58--60},
     publisher = {mathdoc},
     number = {3},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2009_3_a9/}
}