@article{1077375781, author = {van Rooij, A. C. M.}, title = {The total curvature of curves}, journal = {Duke Math. J.}, volume = {32}, number = {1}, year = {1965}, pages = { 313-324}, language = {en}, url = {http://dml.mathdoc.fr/item/1077375781} }
van Rooij, A. C. M. The total curvature of curves. Duke Math. J., Tome 32 (1965) no. 1, pp. 313-324. http://gdmltest.u-ga.fr/item/1077375781/