@article{JRAM_1985__361_152762, author = {M. Talagrand and R. Hansell and J. Jayne}, title = {First class selectors for weakly upper semi-continuous multi-valued maps in {Banach} spaces.}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {201--220}, publisher = {mathdoc}, volume = {361}, year = {1985}, zbl = {0573.54012}, url = {http://geodesic.mathdoc.fr/item/JRAM_1985__361_152762/} }