@article{DAN_1985_283_2_a8,
     author = {V. Kh. Musoyan},
     title = {Summation of biorthogonal expansions in two families of complete},
     journal = {Doklady Akademii Nauk},
     pages = {294--297},
     publisher = {mathdoc},
     volume = {283},
     number = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_283_2_a8/}
}