@article{DAN_1960_130_1_a1,
     author = {V. S. Videnskii},
     title = {Extremal estimate for the derivative of a trigonometric polynomial on an interval shorter than its period},
     journal = {Doklady Akademii Nauk},
     pages = {13--16},
     publisher = {mathdoc},
     volume = {130},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_130_1_a1/}
}