@article{AFST_1997_6_6_2_187_0,
     author = {Sebasti\~ao Carneiro de Almeida and Fabiano Gustavo Braga Brito},
     title = {Closed hypersurfaces of $S^4$ with two constant symmetric curvatures},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {187--202},
     year = {1997},
     publisher = {Universit\'e Paul Sabatier},
     address = {Toulouse},
     volume = {Ser. 6, 6},
     number = {2},
     doi = {10.5802/afst.860},
     mrnumber = {1611812},
     zbl = {0905.53041},
     language = {en},
     url = {https://afst.centre-mersenne.org/articles/10.5802/afst.860/}
}