@article{MAN_1970__185_161952,
     author = {K. KENDIG},
     title = {Intersections of {Tangent} {Cones.}},
     journal = {Mathematische Annalen},
     pages = {211--216},
     publisher = {mathdoc},
     volume = {185},
     year = {1970},
     zbl = {0181.09002},
     url = {http://geodesic.mathdoc.fr/item/MAN_1970__185_161952/}
}