@article{JDM_1955__57_146389,
     author = {Wolfgang Walter},
     title = {\"Uber ganze {L\"osungen} der {Differentialgleichungen} ... u = f (u).},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {94--102},
     year = {1955},
     volume = {57},
     zbl = {0066.34402},
     url = {http://geodesic.mathdoc.fr/item/JDM_1955__57_146389/}
}