@article{DMDICO_2002_22_2_a5, author = {Cardinali, Tiziana}, title = {Best approximations, fixed points and parametric projections}, journal = {Discussiones Mathematicae. Differential Inclusions, Control and Optimization}, pages = {243--260}, publisher = {mathdoc}, volume = {22}, number = {2}, year = {2002}, zbl = {1029.41016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/DMDICO_2002_22_2_a5/} }