%0 Journal Article %A Alexander Nabutovsky %A Regina Rotman %T Upper bounds on the length of a shortest closed geodesic and quantitative Hurewicz theorem %J Journal of the European Mathematical Society %D 2003 %P 203-244 %V 5 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1007/s10097-003-0051-7/ %R 10.1007/s10097-003-0051-7 %F JEMS_2003_5_3_a0