@article{10_21136_CPM_1960_108372, author = {Ma\v{r}{\'\i}k, Jan and Neubauer, Milo\v{s}}, title = {O \v{r}ad\'ach s nez\'aporn\'ymi \v{c}leny}, journal = {\v{C}asopis pro p\v{e}stov\'an{\'\i} matematiky}, pages = {188--197}, publisher = {mathdoc}, volume = {085}, number = {2}, year = {1960}, doi = {10.21136/CPM.1960.108372}, mrnumber = {0115036}, zbl = {0111.26302}, language = {cs}, url = {http://geodesic.mathdoc.fr/articles/10.21136/CPM.1960.108372/} }