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@article{PORMA_1994__51_3_47242, author = {Kamal, Aref}, title = {On certain diameters of bounded sets.}, journal = {Portugaliae mathematica}, pages = {321--333}, publisher = {mathdoc}, volume = {51}, number = {3}, year = {1994}, zbl = {0821.46012}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1994__51_3_47242/} }
Kamal, Aref. On certain diameters of bounded sets.. Portugaliae mathematica, Tome 51 (1994) no. 3, pp. 321-333. http://geodesic.mathdoc.fr/item/PORMA_1994__51_3_47242/