@article{10_1017_S0017089500032511,
     author = {Smet, P. J. De and Dillen, F. and Verstraelen, L. and Vrancken, L.},
     title = {The normal curvature of totally real submanifolds of {S6(1)}},
     journal = {Glasgow mathematical journal},
     pages = {199--204},
     year = {1998},
     volume = {40},
     number = {2},
     doi = {10.1017/S0017089500032511},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032511/}
}