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@article{MAN_1989__284_4_164560, author = {Hans-Bert Rademacher}, title = {Metrics with only finitely many isometry invariant geodesics.}, journal = {Mathematische Annalen}, pages = {391--408}, publisher = {mathdoc}, volume = {284}, number = {4}, year = {1989}, zbl = {0653.53027}, url = {http://geodesic.mathdoc.fr/item/MAN_1989__284_4_164560/} }
Hans-Bert Rademacher. Metrics with only finitely many isometry invariant geodesics.. Mathematische Annalen, Tome 284 (1989) no. 4, pp. 391-408. http://geodesic.mathdoc.fr/item/MAN_1989__284_4_164560/