@article{GDZPPN002319691,
title = {Nonexistence of Curvature in Most Points of Most Convex Surfaces.},
journal = {Mathematische Annalen},
volume = {250},
year = {1980},
pages = {217-220},
zbl = {0427.53002},
url = {http://dml.mathdoc.fr/item/GDZPPN002319691}
}
Zamfirescu, Tudor. Nonexistence of Curvature in Most Points of Most Convex Surfaces.. Mathematische Annalen, Tome 250 (1980) pp. 217-220. http://gdmltest.u-ga.fr/item/GDZPPN002319691/