@article{10_21136_CPMF_1895_123854,
     author = {Zahradn{\'\i}k, Karel},
     title = {O skupin\'ach bod\r{u} doty\v{c}n\'ych na listu {Descartesov\v{e}}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {282--286},
     year = {1895},
     volume = {24},
     number = {5},
     doi = {10.21136/CPMF.1895.123854},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1895.123854/}
}