@article{10_21136_CPM_1988_118358,
     author = {\v{S}obr, V\'aclav},
     title = {Isoperimetrische {Ungleichungen} f\"ur geschlossene {Kurven}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {403--414},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1988},
     doi = {10.21136/CPM.1988.118358},
     mrnumber = {981881},
     zbl = {0666.52004},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1988.118358/}
}