@article{10_21136_CPMF_1919_121286,
     author = {Zahradn{\'\i}\v{c}ek, Josef},
     title = {Rubensova trubice},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {230--234},
     year = {1919},
     volume = {48},
     number = {3-4},
     doi = {10.21136/CPMF.1919.121286},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1919.121286/}
}