@article{AUCMP_1992__33_2_a9,
     author = {Kolom\'y, Josef},
     title = {A note on {Banach} spaces and sub differentials of convex functions},
     journal = {Acta Universitatis Carolinae. Mathematica et Physica},
     pages = {73--83},
     publisher = {mathdoc},
     volume = {33},
     number = {2},
     year = {1992},
     mrnumber = {1287227},
     zbl = {0790.46030},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/AUCMP_1992__33_2_a9/}
}