@article{ASENS_1990_4_23_2_229_0,
     author = {Gage, Michael E.},
     title = {Curve shortening on surfaces},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {229--256},
     publisher = {Elsevier},
     volume = {Ser. 4, 23},
     number = {2},
     year = {1990},
     doi = {10.24033/asens.1603},
     mrnumber = {91a:53072},
     zbl = {0713.53022},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/asens.1603/}
}