@article{10_4064_aa_31_2_101_105, author = {B\v{r}etislav Nov\'ak}, title = {New proofs of a theorem of {Edmund} {Landau}}, journal = {Acta Arithmetica}, pages = {101--105}, publisher = {mathdoc}, volume = {31}, number = {2}, year = {1976}, doi = {10.4064/aa-31-2-101-105}, language = {de}, url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-31-2-101-105/} }