@article{10_1090_S0894_0347_98_00262_8,
     author = {Angenent, Sigurd and Sapiro, Guillermo and Tannenbaum, Allen},
     title = {On the affine heat equation for non-convex curves},
     journal = {Journal of the American Mathematical Society},
     pages = {601--634},
     year = {1998},
     volume = {11},
     number = {3},
     doi = {10.1090/S0894-0347-98-00262-8},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-98-00262-8/}
}