@article{ELMA_1980__35_141244,
     author = {J\"urg R\"atz},
     title = {Eine {Bermerkung} \"uber {Stammfunktion} und {Zwischenwerteigenschaft.}},
     journal = {Elemente der Mathematik},
     pages = {79--80},
     publisher = {mathdoc},
     volume = {35},
     year = {1980},
     zbl = {0415.26004},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1980__35_141244/}
}