@article{GDZPPN00221623X, title = {Strongly Extreme Points in Banach Spaces.}, journal = {Manuscripta mathematica}, volume = {4}, year = {1971}, pages = {113-122}, zbl = {0213.39501}, url = {http://dml.mathdoc.fr/item/GDZPPN00221623X} }
McGuigan, Robert. Strongly Extreme Points in Banach Spaces.. Manuscripta mathematica, Tome 4 (1971) pp. 113-122. http://gdmltest.u-ga.fr/item/GDZPPN00221623X/