1. G. Alberti, M. Csörnyei, D. Preiss, Differentiability of Lipschitz functions, structure of null sets, and other problems, in: Proceedings of the International Congress of Mathematicians, Hyderabad, India, 2010.
2. Fréchet differentiability of convex functions;Asplund;Acta Math.,1968
3. Geometric Nonlinear Functional Analysis, vol. 1;Benyamini,2000
4. Points of ε-differentiability of Lipschitz functions from Rn to Rn−1;de Pauw;Bull. Lond. Math. Soc.,2002
5. M. Doré, O. Maleva, Fréchet differentiability of planar-valued Lipschitz functions on Hilbert spaces, in preparation.