@article{DAN_1966_166_1_a0,
     author = {S. A. Agahanov and G. I. Natanson},
     title = {Approximation of functions by {Fourier--Jacobi} sums},
     journal = {Doklady Akademii Nauk},
     pages = {9--10},
     publisher = {mathdoc},
     volume = {166},
     number = {1},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_166_1_a0/}
}