@article{IM_1981__65_142863,
     author = {James J. Hebda},
     title = {Some {Lower} {Bounds} for the {Area} of {Surfaces.}},
     journal = {Inventiones mathematicae},
     pages = {485--490},
     publisher = {mathdoc},
     volume = {65},
     year = {1981},
     zbl = {0482.53028},
     url = {http://geodesic.mathdoc.fr/item/IM_1981__65_142863/}
}