@article{10_4153_CJM_2013_003_3, author = {Mendon\c{c}a, Bruno and Tojeiro, Ruy}, title = {Umbilical {Submanifolds} of {Sn} {\texttimes} {R}}, journal = {Canadian journal of mathematics}, pages = {400--428}, year = {2014}, volume = {66}, number = {2}, doi = {10.4153/CJM-2013-003-3}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2013-003-3/} }