@article{GDZPPN002100533,
title = {Curve shortening makes convex curves circular.},
journal = {Inventiones mathematicae},
volume = {75},
year = {1984},
pages = {357-364},
zbl = {0542.53004},
url = {http://dml.mathdoc.fr/item/GDZPPN002100533}
}
Gage, M.E. Curve shortening makes convex curves circular.. Inventiones mathematicae, Tome 75 (1984) pp. 357-364. http://gdmltest.u-ga.fr/item/GDZPPN002100533/