@article{10_14708_wm_v7i1_2384, author = {W. Sierpi\'nski}, title = {O pewnym twierdzeniu r\'ownowa\.znym twierdzeniu o post\k{e}pie arytmetycznym}, journal = {Wiadomo\'sci Matematyczne}, pages = { 29}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1963}, doi = {10.14708/wm.v7i1.2384}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v7i1.2384/} }