@article{UZERU_2008_1_a1,
     author = {I. M. Karakhanyan and M. I. Karakhanyan},
     title = {Subnormality of {Banach} algebra},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {10--17},
     publisher = {mathdoc},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2008_1_a1/}
}