@article{10_21136_CPM_1990_108369, author = {Bo\v{c}ek, Leo}, title = {Eine {Versch\"arfung} isoperimetrischer {Ungleichungen} f\"ur {Kurven} und {Polygone}}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {142--146}, publisher = {mathdoc}, volume = {115}, number = {2}, year = {1990}, doi = {10.21136/CPM.1990.108369}, mrnumber = {1054001}, zbl = {0698.52006}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1990.108369/} }