@article{10_4064_sm_84_2_125_131,
     author = {J. Bourgain and H. Sato},
     title = {A direct proof of van der {Vaart's} theorem},
     journal = {Studia Mathematica},
     pages = {125--131},
     publisher = {mathdoc},
     volume = {84},
     number = {2},
     year = {1986},
     doi = {10.4064/sm-84-2-125-131},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-84-2-125-131/}
}