@article{10_21136_CPMF_1913_122689,
     author = {Melichar, J.},
     title = {O dvojdotykov\'ych kru\v{z}nic{\'\i}ch ku\v{z}elose\v{c}ek},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {549--555},
     publisher = {mathdoc},
     volume = {42},
     number = {5},
     year = {1913},
     doi = {10.21136/CPMF.1913.122689},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1913.122689/}
}