@article{JDM_1967__70_146565,
     author = {H. Cremer},
     title = {Erinnerungen an {Paul} {Koebe.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {158--161},
     publisher = {mathdoc},
     volume = {70},
     year = {1967},
     url = {http://geodesic.mathdoc.fr/item/JDM_1967__70_146565/}
}