@article{GDZPPN002287846, title = {Some New Besults on Smoothness and Rotundity in Normed Linear Spaces.}, journal = {Mathematische Annalen}, volume = {137}, year = {1959}, pages = {51-63}, zbl = {0092.11602}, url = {http://dml.mathdoc.fr/item/GDZPPN002287846} }
KLEE, V. Some New Besults on Smoothness and Rotundity in Normed Linear Spaces.. Mathematische Annalen, Tome 137 (1959) pp. 51-63. http://gdmltest.u-ga.fr/item/GDZPPN002287846/