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@article{JRAM_1976__288_151802, author = {Shigeo Sasaki}, title = {Geodesics on the tangent sphere bundles over space forms.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {106--120}, publisher = {mathdoc}, volume = {288}, year = {1976}, zbl = {0333.53031}, url = {http://geodesic.mathdoc.fr/item/JRAM_1976__288_151802/} }
Shigeo Sasaki. Geodesics on the tangent sphere bundles over space forms.. Journal für die reine und angewandte Mathematik, Tome 288 (1976), pp. 106-120. http://geodesic.mathdoc.fr/item/JRAM_1976__288_151802/