@article{10_21136_CPMF_1912_122949,
     author = {Petr, Karel},
     title = {O jedn\'e v\v{e}t\v{e} pro substituce automorfn{\'\i} kvadratick\'ych forem s re\'aln\'ymi sou\v{c}initeli},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {448--458},
     publisher = {mathdoc},
     volume = {41},
     number = {3-4},
     year = {1912},
     doi = {10.21136/CPMF.1912.122949},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1912.122949/}
}