@article{10_21136_CPMF_1948_122809,
     author = {Hlav\'a\v{c}ek, Miroslav},
     title = {Je\v{s}t\v{e} k \v{r}e\v{s}en{\'\i} rovnice $x^4-y^4=z^4-u^4$ cel\'ymi \v{c}{\'\i}sly},
     journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky},
     pages = {D43},
     publisher = {mathdoc},
     volume = {73},
     number = {4},
     year = {1948},
     doi = {10.21136/CPMF.1948.122809},
     mrnumber = {0029392},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1948.122809/}
}