TY  - JOUR
AU  - Matoušková, E.
TI  - One counterexample concerning the Fréchet differentiability of convex functions on closed sets
JO  - Acta Universitatis Carolinae. Mathematica et Physica
PY  - 1993
SP  - 97
EP  - 105
VL  - 34
IS  - 2
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/AUCMP_1993__34_2_a13/
LA  - en
ID  - AUCMP_1993__34_2_a13
ER  -