@article{UZERU_2008_2_a3,
     author = {A. M. Zakaryan and A. V. Tzutzulyan},
     title = {The {Fredholm} criterion and index calculation of {Teoplits} operators in some {Hilbert} spaces of analytic functions},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {23--29},
     publisher = {mathdoc},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_2008_2_a3/}
}