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@article{DCG_1991__6_4_131152, author = {T. Zamfirescu}, title = {On {Two} {Conjectures} of {Franz} {Hering} {About} {Convex} {Surfaces.}}, journal = {Discrete & computational geometry}, pages = {171--180}, publisher = {mathdoc}, volume = {6}, number = {4}, year = {1991}, zbl = {0721.52004}, url = {http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131152/} }
T. Zamfirescu. On Two Conjectures of Franz Hering About Convex Surfaces.. Discrete & computational geometry, Tome 6 (1991) no. 4, pp. 171-180. http://geodesic.mathdoc.fr/item/DCG_1991__6_4_131152/