@article{DAN_1971_196_6_a8,
     author = {S. Ya. Havinson},
     title = {Some approximation theorems involving the magnitude of the coefficients of the approximating functions},
     journal = {Doklady Akademii Nauk},
     pages = {1283--1286},
     publisher = {mathdoc},
     volume = {196},
     number = {6},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1971_196_6_a8/}
}