@article{10_1017_S0017089502010054,
     author = {Chen, Bang-Yen},
     title = {Circles in compact homogeneous {Riemannian} spaces and immersions of finite type},
     journal = {Glasgow mathematical journal},
     pages = {93--102},
     year = {2002},
     volume = {44},
     number = {1},
     doi = {10.1017/S0017089502010054},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089502010054/}
}