@article{JGG_2012_16_1_JGG_2012_16_1_a4,
     author = {G. Stamou },
     title = {Characterizations of {Euclidean} {Hyperspheres} {Under} {Relatively} {Normalized} {Convex} {Hypersurfaces}},
     journal = {Journal for geometry and graphics},
     pages = {41--46},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JGG_2012_16_1_JGG_2012_16_1_a4/}
}