@article{10_21136_CPM_1962_117414,
     author = {Ob\r{u}rka, Oto},
     title = {Zum {Studium} der {Umschwungstrahlfl\"achen} mittels der {Methode} der {Differentialgleichungen}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {63--75},
     publisher = {mathdoc},
     volume = {087},
     number = {1},
     year = {1962},
     doi = {10.21136/CPM.1962.117414},
     mrnumber = {0140008},
     zbl = {0137.40704},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1962.117414/}
}