@article{10_21136_CPMF_1889_123077,
     author = {Navr\'atil, B.},
     title = {Nov\'y druh elektrick\'ych obrazc\r{u}. {[I.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {213--217},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1889},
     doi = {10.21136/CPMF.1889.123077},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1889.123077/}
}