@article{CMH_1971__46_139483, author = {Catherine Bandle}, title = {Extremaleigenschaften von {Kreissektoren} und {Halbkugeln}}, journal = {Commentarii mathematici Helvetici}, pages = {356}, publisher = {mathdoc}, volume = {46}, year = {1971}, language = {de}, url = {https://geodesic-test.mathdoc.fr/item/CMH_1971__46_139483/} }