@article{UZERU_1986_3_a0,
     author = {G. S. Hakobyan and M. I. Karakhanyan},
     title = {On some spectral properties of normal operators in the {Banach} space},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {1--10},
     publisher = {mathdoc},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1986_3_a0/}
}