@article{MZ_1962__78_170010,
     author = {Robert Berger},
     title = {Ausdehnung von {Derivationen} und {Schachtelungen.}},
     journal = {Mathematische Zeitschrift},
     pages = {97--115},
     publisher = {mathdoc},
     volume = {78},
     year = {1962},
     zbl = {0103.02305},
     url = {http://geodesic.mathdoc.fr/item/MZ_1962__78_170010/}
}