@article{GDZPPN002302462,
title = {Intersections of Tangent Cones.},
journal = {Mathematische Annalen},
volume = {189},
year = {1970},
pages = {211-216},
zbl = {0181.09002},
url = {http://dml.mathdoc.fr/item/GDZPPN002302462}
}
KENDIG, K. Intersections of Tangent Cones.. Mathematische Annalen, Tome 189 (1970) pp. 211-216. http://gdmltest.u-ga.fr/item/GDZPPN002302462/