@article{MZ_1932__35_168352,
     author = {H., Boerner},
     title = {\"Uber einige {Variationsprobleme}},
     journal = {Mathematische Zeitschrift},
     pages = {161--189},
     publisher = {mathdoc},
     volume = {35},
     year = {1932},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1932__35_168352/}
}