@article{1077466131, author = {Hammer, Preston C.}, title = {Maximal convex sets}, journal = {Duke Math. J.}, volume = {22}, number = {1}, year = {1955}, pages = { 103-106}, language = {en}, url = {http://dml.mathdoc.fr/item/1077466131} }
Hammer, Preston C. Maximal convex sets. Duke Math. J., Tome 22 (1955) no. 1, pp. 103-106. http://gdmltest.u-ga.fr/item/1077466131/