@article{10_21136_CPMF_1872_123426,
     author = {Bla\v{z}ek, G.},
     title = {O differenci\'alu povrchu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {30--31},
     year = {1872},
     volume = {1},
     number = {1},
     doi = {10.21136/CPMF.1872.123426},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1872.123426/}
}