@article{10_4064_aa_9_1_23_40,
     author = {Stanis{\l}aw Knapowski and P. Tur\'an},
     title = {Further developments in the comparative prime-number theory {I}},
     journal = {Acta Arithmetica},
     pages = {23--40},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {1964},
     doi = {10.4064/aa-9-1-23-40},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/aa-9-1-23-40/}
}