@article{MS2_1977__40_166526,
     author = {Anders Kock},
     title = {A simple axiomatics for differentiation.},
     journal = {Mathematica Scandinavica},
     pages = {183--193},
     year = {1977},
     volume = {40},
     zbl = {0375.12029},
     url = {http://geodesic.mathdoc.fr/item/MS2_1977__40_166526/}
}