@article{10_21136_CPMF_1875_122909,
     author = {Hrom\'adko, Franti\v{s}ek},
     title = {Analytick\'y d\r{u}kaz sp\r{u}sobu, jak\'ym lze sestrojiti norm\'alu k ellipse},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {87--88},
     publisher = {mathdoc},
     volume = {04},
     number = {2},
     year = {1875},
     doi = {10.21136/CPMF.1875.122909},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1875.122909/}
}