@article{MM2_1993__81_3-4_155897,
     author = {Isabel M.C. Salavessa and M. Rigoli},
     title = {Willmore submanifolds of the {M\"obius} space and a {Bernstein-type} theorem.},
     journal = {Manuscripta mathematica},
     pages = {203--222},
     publisher = {mathdoc},
     volume = {81},
     number = {3-4},
     year = {1993},
     zbl = {0790.53049},
     url = {http://geodesic.mathdoc.fr/item/MM2_1993__81_3-4_155897/}
}