A smooth variational principle with applications to subdifferentiability and to differentiability of convex functions
- Creator: Borwein, J. M. , Preiss , D.
- Resource Type: journal article
- Date: 1987
The proximal normal formula in Banach space
- Creator: Borwein, J. M. , Giles, J. R.
- Resource Type: journal article
- Date: 1987