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@article{MS2_1982__51_166807, author = {Th\'ordur J\'onsson}, title = {Comparision of the length of infinite geodesics in manifolds with nonpositive curvature.}, journal = {Mathematica Scandinavica}, pages = {151--157}, publisher = {mathdoc}, volume = {51}, year = {1982}, zbl = {0498.53036}, url = {http://geodesic.mathdoc.fr/item/MS2_1982__51_166807/} }
Thórdur Jónsson. Comparision of the length of infinite geodesics in manifolds with nonpositive curvature.. Mathematica Scandinavica, Tome 51 (1982), pp. 151-157. http://geodesic.mathdoc.fr/item/MS2_1982__51_166807/