@article{MAN_1986__276_164186,
     author = {Tetsuya Ozawa},
     title = {On {Critical} {Sets} of {Distance} {Functions} to a taut {Submanifold.}},
     journal = {Mathematische Annalen},
     pages = {91--96},
     publisher = {mathdoc},
     volume = {276},
     year = {1986},
     zbl = {0583.53052},
     url = {http://geodesic.mathdoc.fr/item/MAN_1986__276_164186/}
}