@article{10_1017_S0017089500032390,
     author = {Sun, Huafei},
     title = {Totally real pseudo-umbilical submanifolds of a quaternion space form},
     journal = {Glasgow mathematical journal},
     pages = {109--115},
     year = {1998},
     volume = {40},
     number = {1},
     doi = {10.1017/S0017089500032390},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500032390/}
}