@article{MZM_1985_37_2_a9,
     author = {A. A. Yudin and V. A. Yudin},
     title = {Polygonal {Dirichlet} {Kernels} and growth of {Lebesgue} constants},
     journal = {Matemati\v{c}eskie zametki},
     pages = {220--236},
     publisher = {mathdoc},
     volume = {37},
     number = {2},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1985_37_2_a9/}
}