@article{IM_1982__67_142911,
     author = {Jin-Tzu Chen and Wu-Hsiung Huang},
     title = {Convexity of {Capillary} {Surfaces} in the {Outer} {Space.}},
     journal = {Inventiones mathematicae},
     pages = {253--260},
     publisher = {mathdoc},
     volume = {67},
     year = {1982},
     zbl = {0496.76005},
     url = {http://geodesic.mathdoc.fr/item/IM_1982__67_142911/}
}