@article{10_21136_CPMF_1904_123295, author = {Sobotka, Jan}, title = {Pozn\'amky k centr\'aln\'emu prom{\'\i}t\'an{\'\i} koule}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky a fysiky}, pages = {117--122}, publisher = {mathdoc}, volume = {33}, number = {2}, year = {1904}, doi = {10.21136/CPMF.1904.123295}, language = {cz}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPMF.1904.123295/} }