@article{10_21136_CPM_1956_117206,
     author = {Svoboda, Karel},
     title = {Pozn\'amka o ploch\'ach s lok\'aln\v{e} sf\'erickou indikatric{\'\i} norm\'aln{\'\i} k\v{r}ivosti v p\v{e}tirozm\v{e}rn\'em prostoru},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky},
     pages = {299--303},
     year = {1956},
     volume = {81},
     number = {3},
     doi = {10.21136/CPM.1956.117206},
     mrnumber = {0089444},
     zbl = {0074.37802},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1956.117206/}
}