@article{10_21136_CPM_1985_118229, author = {Ho\v{r}ej\v{s}, Ji\v{r}{\'\i}}, title = {Doc. {J.} {Kop\v{r}iva} \v{s}edes\'atilet\'y}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {333--336}, publisher = {mathdoc}, volume = {110}, number = {3}, year = {1985}, doi = {10.21136/CPM.1985.118229}, zbl = {0576.01013}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1985.118229/} }