@misc{10_21136_CPMF_1940_123888,
     title = {Spolkov\'y v\v{e}stn{\'\i}k},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     publisher = {mathdoc},
     volume = {69},
     number = {1},
     year = {1940},
     doi = {10.21136/CPMF.1940.123888},
     language = {cz},
     url = {https://geodesic-test.mathdoc.fr/articles/10.21136/CPMF.1940.123888/}
}