@article{10_21136_CPMF_1935_121261,
     author = {P{\'\i}rko, Zden\v{e}k},
     title = {\'Upatnice a pseudo\'upatnice. {[Ib.]}},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {R73},
     publisher = {mathdoc},
     volume = {64},
     number = {5},
     year = {1935},
     doi = {10.21136/CPMF.1935.121261},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1935.121261/}
}