@article{10_4064_sm_44_2_165_179,
     author = {S. Pichorides},
     title = {On the best values of the constants in the theorem of {M.} {Riesz,} {Zygmund} and {Kolmogorov}},
     journal = {Studia Mathematica},
     pages = {165--179},
     publisher = {mathdoc},
     volume = {44},
     number = {2},
     year = {1972},
     doi = {10.4064/sm-44-2-165-179},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-44-2-165-179/}
}