@article{MAN_1957__134_160573,
     author = {S. Abian},
     title = {A general {Definition} of {Convergence,} {Continuity,} {Differentiability} and {Integrability.}},
     journal = {Mathematische Annalen},
     pages = {93--94},
     publisher = {mathdoc},
     volume = {134},
     year = {1957},
     zbl = {0077.27201},
     url = {http://geodesic.mathdoc.fr/item/MAN_1957__134_160573/}
}