@article{VMUMM_2005_2_a3,
     author = {D. M. D'yachenko},
     title = {Sharp constants in absolutely converging {Fourier} series of functions from the class $\operatorname{Lip}\alpha$.},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {17--21},
     publisher = {mathdoc},
     number = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_2005_2_a3/}
}