@article{10_1017_S0017089508004643, author = {COLARES, ANTONIO GERVASIO and ECHAIZ-ESPINOZA, FERNANDO ENRIQUE}, title = {CONSTANT {SCALAR} {CURVATURE} {HYPERSURFACES} {WITH} {SECOND-ORDER} {UMBILICITY}}, journal = {Glasgow mathematical journal}, pages = {219--241}, year = {2009}, volume = {51}, number = {2}, doi = {10.1017/S0017089508004643}, url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089508004643/} }