@article{GDZPPN002227622,
title = {On the total absolute curvature of closed curves in spheres.},
journal = {Manuscripta mathematica},
volume = {55},
year = {1986},
pages = {101-108},
zbl = {0589.53001},
url = {http://dml.mathdoc.fr/item/GDZPPN002227622}
}
Teufel, Eberhard. On the total absolute curvature of closed curves in spheres.. Manuscripta mathematica, Tome 55 (1986) pp. 101-108. http://gdmltest.u-ga.fr/item/GDZPPN002227622/