@article{700923,
     title = {Eine nat\"urliche Topologisierung der Potenzmenge eines topologischen Raumes},
     booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
     series = {GDML\_Books},
     publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
     address = {Praha},
     year = {1962},
     pages = {[187]-190},
     mrnumber = {MR0145474},
     zbl = {0113.37406},
     url = {http://dml.mathdoc.fr/item/700923}
}

Grimeisen, G. Eine natürliche Topologisierung der Potenzmenge eines topologischen Raumes, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books,  (1962), pp. [187]-190. http://gdmltest.u-ga.fr/item/700923/