@article{JDM_1975__77_146656,
     author = {G\"unter Pickert},
     title = {Analysis in der {Kollegstufe.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {173--192},
     publisher = {mathdoc},
     volume = {77},
     year = {1975},
     url = {http://geodesic.mathdoc.fr/item/JDM_1975__77_146656/}
}