@article{1270214902, author = {HAYASHI, Kiyoshi}, title = {Double Normals of a Compact Submanifold}, journal = {Tokyo J. of Math.}, volume = {05}, number = {2}, year = {1982}, pages = { 419-425}, language = {en}, url = {http://dml.mathdoc.fr/item/1270214902} }
HAYASHI, Kiyoshi. Double Normals of a Compact Submanifold. Tokyo J. of Math., Tome 05 (1982) no. 2, pp. 419-425. http://gdmltest.u-ga.fr/item/1270214902/