@article{10_21136_CPMF_1949_109136, author = {Langr, Josef}, title = {\v{C}ty\v{r}mi body polo\v{z}iti ku\v{z}elo\v{s}e\v{c}ku podobnou dan\'e}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky}, pages = {D73}, publisher = {mathdoc}, volume = {74}, number = {1}, year = {1949}, doi = {10.21136/CPMF.1949.109136}, zbl = {0032.42603}, language = {cz}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1949.109136/} }