@article{1102810898,
author = {Laetsch, Theodore},
title = {Normal cones, barrier cones, and the ``spherical image'' of convex surfaces in locally convex spaces.},
journal = {Pacific J. Math.},
volume = {73},
number = {2},
year = {1977},
pages = { 107-123},
language = {en},
url = {http://dml.mathdoc.fr/item/1102810898}
}
Laetsch, Theodore. Normal cones, barrier cones, and the ``spherical image'' of convex surfaces in locally convex spaces.. Pacific J. Math., Tome 73 (1977) no. 2, pp. 107-123. http://gdmltest.u-ga.fr/item/1102810898/