@article{GDZPPN002313219, title = {On the Openness of the Barycentre Map.}, journal = {Mathematische Annalen}, volume = {219}, year = {1976}, pages = {207-212}, zbl = {0321.46004}, url = {http://dml.mathdoc.fr/item/GDZPPN002313219} }
O'Brien, Richard C. On the Openness of the Barycentre Map.. Mathematische Annalen, Tome 219 (1976) pp. 207-212. http://gdmltest.u-ga.fr/item/GDZPPN002313219/