References
- H. Brezis Analyse fonctionnelle Masson Paris 1983
- B. D. Craven Nonsmooth optimization via smooth approximations Optimization 1986 17 3 17
- N. G. de Bruijn On almost additive functions Colloq. Math 1966 15 59 63
- P. Erdos P. 310, Colloq. Math 1970 7 311
- Y. Ermoliev V. I. Norkin R. J. B. Wets The minimization of semicontinuous functions: mollifiers subgradients SIAM J. Control and Optimization 1995 33 149 167
- Y. Ermoliev R. J.-B. Wets Numerical techniques for stochastic optimization, Springer Series Computational Mathematics, n. 10 Springer Verlag Berlin 1988
- L. C. Evans Partial differential equations Berkeley Mathematics Lecture Notes Berkeley 1994
- W. B. Jurkat On Cauchy’s functional equations Proc. Amer. Math.Soc 1965 16 683 686
- M. Kuczma Almost convex functions Colloq. Math 1970 21 279 284
- C. Parnami H. L. Vasudeva On the stability of almost convex functions Proc. Amer. Math. Soc 1986 97 67 70
- R. T. Rockafellar Convex Allalysis Princeton University Press Princeton 1970
- R. T. Rockafellar R. J.-B. Wets Variational analysis Springer Verlag Berlin 1998
- W. Ziemer Weakly differentiable fUllctions Springer Verlag Berlin 1989