@article{GDZPPN002328860, title = {On Critical Sets of Distance Functions to a taut Submanifold.}, journal = {Mathematische Annalen}, volume = {275}, year = {1986}, pages = {91-96}, zbl = {0583.53052}, url = {http://dml.mathdoc.fr/item/GDZPPN002328860} }
Ozawa, Tetsuya. On Critical Sets of Distance Functions to a taut Submanifold.. Mathematische Annalen, Tome 275 (1986) pp. 91-96. http://gdmltest.u-ga.fr/item/GDZPPN002328860/