@article{10_21136_CPMF_1917_123719,
     author = {Lerch, Maty\'a\v{s}},
     title = {Pozn\'amky o soustav\v{e} paraboloid\r{u} proch\'azej{\'\i}c{\'\i}ch dv\v{e}ma dan\'yma mimob\v{e}\v{z}kama a o \'utvarech s nimi souvisl\'ych. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {23--32},
     publisher = {mathdoc},
     volume = {46},
     number = {1},
     year = {1917},
     doi = {10.21136/CPMF.1917.123719},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1917.123719/}
}