@article{10_21136_CPM_1976_108686,
     author = {T\"olke, J\"urgen},
     title = {Die {Bedeutung} der {Fokalachsen} f\"ur die symmetrische {Rollung}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {53--59},
     publisher = {mathdoc},
     volume = {101},
     number = {1},
     year = {1976},
     doi = {10.21136/CPM.1976.108686},
     mrnumber = {0474064},
     zbl = {0319.53014},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1976.108686/}
}