@article{10_4064_cm_32_2_159_165,
     author = {Ji\v{r}i Mo\v{c}ko\v{r}},
     title = {An extension of approximation theorems},
     journal = {Colloquium Mathematicum},
     pages = {159--165},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {1974},
     doi = {10.4064/cm-32-2-159-165},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-32-2-159-165/}
}