@article{UZERU_1990_2_a0,
     author = {N. A. Gevorgian and V. Kh. Musoyan},
     title = {The summation of biorthogonal decomposition with respect to non-complete system of rational functions in the unit circle},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {3--10},
     publisher = {mathdoc},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1990_2_a0/}
}