On set-valued metric projections, Hahn-Banach extension maps, and spherical image maps
Authors:
- Frank DeutschFDFrank Deutsch
- Walter PollulWPWalter Pollul
- Ivan SingerISIvan Singer
- 1 June 1973
- journal article
- Published by Duke University Press in Duke Mathematical Journal
- Vol. 40 (2) , 355-370