@article{1183537631, author = {Sunday, Dan}, title = {The total curvature of knotted spheres}, journal = {Bull. Amer. Math. Soc.}, volume = {82}, number = {3}, year = {1976}, pages = { 140-142}, language = {en}, url = {http://dml.mathdoc.fr/item/1183537631} }
Sunday, Dan. The total curvature of knotted spheres. Bull. Amer. Math. Soc., Tome 82 (1976) no. 3, pp. 140-142. http://gdmltest.u-ga.fr/item/1183537631/