@article{MAN_1972__197_162289,
     author = {Wilhelm Klingenberg and Floris Takens},
     title = {Generic {Properties} of {Geodesic} {Flows.}},
     journal = {Mathematische Annalen},
     pages = {323--334},
     publisher = {mathdoc},
     volume = {197},
     year = {1972},
     zbl = {0225.58006},
     url = {http://geodesic.mathdoc.fr/item/MAN_1972__197_162289/}
}