@article{10_21136_CPMF_1950_122662,
     author = {Piska, Rudolf},
     title = {O ku\v{z}elose\v{c}k\'ach se spole\v{c}nou norm\'alou v dan\'em bod\v{e}, jejich\v{z} osy proch\'azej{\'\i} dvojic{\'\i} pevn\'ych bod\r{u} t\'eto norm\'aly},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {D376},
     publisher = {mathdoc},
     volume = {75},
     number = {4},
     year = {1950},
     doi = {10.21136/CPMF.1950.122662},
     zbl = {0040.07906},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1950.122662/}
}