@article{01534271,
title = {Piecewise affine selections for piecewise polyhedral multifunctions and metric projections.},
journal = {Journal of Convex Analysis},
volume = {7},
year = {2000},
pages = {73-94},
zbl = {0996.90072},
language = {en},
url = {http://dml.mathdoc.fr/item/01534271}
}
Finzel, M.; Li, W. Piecewise affine selections for piecewise polyhedral multifunctions and metric projections.. Journal of Convex Analysis, Tome 7 (2000) pp. 73-94. http://gdmltest.u-ga.fr/item/01534271/