@article{10_14708_cm_v15i1_5711,
     author = {S. Cox Jr. and S. B. Nadler Jr.},
     title = {Supremum norm differentiability},
     journal = {Commentationes Mathematicae},
     pages = { 127--131},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {1971},
     doi = {10.14708/cm.v15i1.5711},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v15i1.5711/}
}