@article{10_4064_sm_81_1_107_126,
     author = {Jerzy Sawa},
     title = {The best constant in the {Khintchine} inequality for complex {Steinhaus} variables, the case p=1},
     journal = {Studia Mathematica},
     pages = {107--126},
     publisher = {mathdoc},
     volume = {81},
     number = {1},
     year = {1985},
     doi = {10.4064/sm-81-1-107-126},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-81-1-107-126/}
}