@article{1255380838, author = {Goldstine, H. H.}, title = {Conditions for a minimum in abstract space}, journal = {Illinois J. Math.}, volume = {2}, number = {1}, year = {1958}, pages = { 111-123}, language = {en}, url = {http://dml.mathdoc.fr/item/1255380838} }
Goldstine, H. H. Conditions for a minimum in abstract space. Illinois J. Math., Tome 2 (1958) no. 1, pp. 111-123. http://gdmltest.u-ga.fr/item/1255380838/