@article{10_4064_sm_69_2_109_121,
     author = {S. Chang},
     title = {A generalized area integral estimate and applications},
     journal = {Studia Mathematica},
     pages = {109--121},
     publisher = {mathdoc},
     volume = {69},
     number = {2},
     year = {1981},
     doi = {10.4064/sm-69-2-109-121},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-69-2-109-121/}
}