@article{00089239, title = {On the lower semi-continuity of the set valued metric projection.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {15}, year = {1992}, pages = {455-463}, doi = {10.1155/S0161171292000619}, zbl = {0759.41019}, language = {en}, url = {http://dml.mathdoc.fr/item/00089239} }
Sejeeni, Fowzi Ahmad. On the lower semi-continuity of the set valued metric projection.. International Journal of Mathematics and Mathematical Sciences, Tome 15 (1992) pp. 455-463. doi : 10.1155/S0161171292000619. http://gdmltest.u-ga.fr/item/00089239/