@article{10_21136_CMJ_1971_101020,
     author = {Nov\'ak, B\v{r}etislav},
     title = {\"Uber eine {Methode} der $\Omega${-Absch\"atzungen}},
     journal = {Czechoslovak Mathematical Journal},
     pages = {257--279},
     publisher = {mathdoc},
     volume = {21},
     number = {2},
     year = {1971},
     doi = {10.21136/CMJ.1971.101020},
     mrnumber = {0292761},
     zbl = {0217.32302},
     language = {ge},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1971.101020/}
}