@article{MZ_1976__152_172458,
     author = {Wolfgang Ziller},
     title = {Closed {Geodesics} on {Homogeneous} {Spaces.}},
     journal = {Mathematische Zeitschrift},
     pages = {67--88},
     year = {1976},
     volume = {152},
     zbl = {0326.53054},
     url = {http://geodesic.mathdoc.fr/item/MZ_1976__152_172458/}
}