@article{MZ_1974__138_172101,
     author = {Ruben Schramm},
     title = {Quasilineary {Properties} of {Differentiable} {Functions} in a {Field} with a {Non-Archimedean} {Valuation.}},
     journal = {Mathematische Zeitschrift},
     pages = {265--272},
     publisher = {mathdoc},
     volume = {138},
     year = {1974},
     zbl = {0278.26007},
     url = {http://geodesic.mathdoc.fr/item/MZ_1974__138_172101/}
}