@article{01214049, title = {Vertical developments of a convex function.}, journal = {Journal of Convex Analysis}, volume = {5}, year = {1998}, pages = {153-170}, zbl = {0915.49012}, language = {en}, url = {http://dml.mathdoc.fr/item/01214049} }
Oustry, François. Vertical developments of a convex function.. Journal of Convex Analysis, Tome 5 (1998) pp. 153-170. http://gdmltest.u-ga.fr/item/01214049/