@article{10_1017_S0017089500007965,
     author = {Goebel, Manfred},
     title = {On {Fr\'echet-differentiability} of {Nemytskij} operators acting in {H\"older} spaces},
     journal = {Glasgow mathematical journal},
     pages = {1--5},
     year = {1991},
     volume = {33},
     number = {1},
     doi = {10.1017/S0017089500007965},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500007965/}
}