Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1974__33_3_115229, author = {Downing, J.R. and White, A.G.}, title = {Note on extremal points}, journal = {Portugaliae mathematica}, pages = {137--140}, publisher = {mathdoc}, volume = {33}, number = {3}, year = {1974}, mrnumber = {0358579}, zbl = {0295.52011}, language = {en}, url = {https://geodesic-test.mathdoc.fr/item/PORMA_1974__33_3_115229/} }
Downing, J.R.; White, A.G. Note on extremal points. Portugaliae mathematica, Tome 33 (1974) no. 3, pp. 137-140. https://geodesic-test.mathdoc.fr/item/PORMA_1974__33_3_115229/