@article{DAN_1979_248_2_a6,
     author = {G. A. Janashia and T. S. Oziashvili},
     title = {On the uniqueness of orthogonal decomposition of rings of functions on a circle},
     journal = {Doklady Akademii Nauk},
     pages = {286--289},
     publisher = {mathdoc},
     volume = {248},
     number = {2},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1979_248_2_a6/}
}