@article{UZERU_2013_2_a2,
     author = {M. I. Karakhanyan and H. A. Kamalyan},
     title = {Some remarks on properties of elements from complex {Banach} algebras},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {15--21},
     publisher = {mathdoc},
     number = {2},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2013_2_a2/}
}