@article{10_21136_CPMF_1883_121347,
     author = {Plch, Cornelius},
     title = {Troj{\'\i} sp\r{u}sob element\'arn\'eho odvozen{\'\i} vzorce pro obvod ellipsy},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {265--276},
     publisher = {mathdoc},
     volume = {12},
     number = {5},
     year = {1883},
     doi = {10.21136/CPMF.1883.121347},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1883.121347/}
}