@article{GDZPPN000364746, title = {On Two Conjectures of Franz Hering About Convex Surfaces.}, journal = {Discrete \& computational geometry}, volume = {6}, year = {1991}, pages = {171-180}, zbl = {0721.52004}, url = {http://dml.mathdoc.fr/item/GDZPPN000364746} }
Zamfirescu, T. On Two Conjectures of Franz Hering About Convex Surfaces.. Discrete & computational geometry, Tome 6 (1991) pp. 171-180. http://gdmltest.u-ga.fr/item/GDZPPN000364746/