@article{UZERU_1985_3_a1,
     author = {A. A. Kitbalyan},
     title = {Expansion in some systems of rational functions},
     journal = {Proceedings of the Yerevan State University. Physical and mathematical sciences},
     pages = {10--15},
     publisher = {mathdoc},
     number = {3},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/UZERU_1985_3_a1/}
}