@article{MZ_1986__191_173700,
     author = {Miyuki Koiso},
     title = {Symmetry of {Hypersurfaces} of {Constant} {Mean} {Curvature} with {Symmetric} {Boundary.}},
     journal = {Mathematische Zeitschrift},
     pages = {567--574},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0563.53007},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173700/}
}