@article{02012604,
title = {An equality for the curvature function of a simple and closed curve on the plane.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2003},
year = {2003},
pages = {3115-3122},
doi = {10.1155/S0161171203210371},
zbl = {1130.53300},
language = {en},
url = {http://dml.mathdoc.fr/item/02012604}
}
Ou, Biao. An equality for the curvature function of a simple and closed curve on the plane.. International Journal of Mathematics and Mathematical Sciences, Tome 2003 (2003) pp. 3115-3122. doi : 10.1155/S0161171203210371. http://gdmltest.u-ga.fr/item/02012604/