@article{TIMM_2016_22_3_a11,
     author = {D. O. Zykov},
     title = {Sharp estimates for coefficients of odd trigonometric polynomials under a one-sided constraint},
     journal = {Trudy Instituta matematiki i mehaniki},
     pages = {130--136},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMM_2016_22_3_a11/}
}