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@article{PIM_1952_S_S_IV_04_a10, author = {E. R. Lorch}, title = {Convexity {And} {Normed} {Spaces}}, journal = {Publications de l'Institut Math\'ematique}, pages = {109 }, publisher = {mathdoc}, volume = {_S_S_IV}, number = {04}, year = {1952}, url = {http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a10/} }
E. R. Lorch. Convexity And Normed Spaces. Publications de l'Institut Mathématique, _S_S_IV (1952) no. 04, p. 109 . http://geodesic.mathdoc.fr/item/PIM_1952_S_S_IV_04_a10/