@article{10_21136_CPMF_1911_124045,
     author = {Lerch, Maty\'a\v{s}},
     title = {Zjednodu\v{s}en{\'\i} {Lejeune-Dirichletova} postupu p\v{r}i odvozen{\'\i} vzorc\r{u} pro po\v{c}et t\v{r}{\'\i}d kvadratick\'ych forem z\'aporn\'eho diskriminantu},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {425--446},
     publisher = {mathdoc},
     volume = {40},
     number = {4},
     year = {1911},
     doi = {10.21136/CPMF.1911.124045},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1911.124045/}
}