@article{AUCMP_1993__34_2_a13,
     author = {Matou\v{s}kov\'a, E.},
     title = {One counterexample concerning the {Fr\'echet} differentiability of convex functions on closed sets},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {97--105},
     publisher = {mathdoc},
     volume = {34},
     number = {2},
     year = {1993},
     mrnumber = {1282972},
     zbl = {1010.46500},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1993__34_2_a13/}
}