@article{JDM_1943__53_146336,
     author = {Hellmuth Kneser},
     title = {Notio und notatio.},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {9--21},
     publisher = {mathdoc},
     volume = {53},
     year = {1943},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/JDM_1943__53_146336/}
}