@article{10_4064_sm_44_6_527_544,
     author = {D. Burkholder and R. Gundy},
     title = {Distribution function inequalities for the area integral},
     journal = {Studia Mathematica},
     pages = {527--544},
     publisher = {mathdoc},
     volume = {44},
     number = {6},
     year = {1972},
     doi = {10.4064/sm-44-6-527-544},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-44-6-527-544/}
}