@article{10_21136_CPMF_1911_122395,
     author = {Petr, Karel},
     title = {Pozn\'amka o {Legendre-Jacobiov\v{e}} symbolu $\left(\frac PQ\right)$},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {162--165},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1911},
     doi = {10.21136/CPMF.1911.122395},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1911.122395/}
}