@article{10_4064_aa_7_4_0,
     author = { },
     title = {Arnold {Walfisz} {\textdagger}},
     journal = {Acta Arithmetica},
     year = {1961},
     volume = {7},
     number = {4},
     doi = {10.4064/aa-7-4-0},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-7-4-0/}
}