@article{10_4064_sm_70_3_231_283,
     author = {Uffe Haagerup},
     title = {The best constants in the {Khintchine} inequality},
     journal = {Studia Mathematica},
     pages = {231--283},
     publisher = {mathdoc},
     volume = {70},
     number = {3},
     year = {1981},
     doi = {10.4064/sm-70-3-231-283},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-70-3-231-283/}
}