@inproceedings{alexander2011linear,
title={LINEAR BOUNDS FOR LENGTHS OF GEODESIC LOOPS ON RIEMANNIAN 2-SPHERES},
author={Alexander Nabutovsky, and Regina Rotman},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160913210454428217900},
booktitle={Journal of Differential Geometry},
volume={89},
number={2},
pages={217-232},
year={2011},
}
Alexander Nabutovsky, and Regina Rotman. LINEAR BOUNDS FOR LENGTHS OF GEODESIC LOOPS ON RIEMANNIAN 2-SPHERES. 2011. Vol. 89. In Journal of Differential Geometry. pp.217-232. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160913210454428217900.