@article{AUPCDM_2009_2_1_a4,
     author = {G\'orowski, Jan and {\L}omnicki, Adam},
     title = {O niesko\'nczonych ci\k{a}gach liczb naturalnych, parami wzgl\k{e}dnie pierwszych},
     journal = {Annales Universitatis Paedagogicae Cracoviensis. Studia ad Didacticam Mathematicae Pertinentia},
     pages = {51--67},
     publisher = {mathdoc},
     volume = {2},
     number = {1},
     year = {2009},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/item/AUPCDM_2009_2_1_a4/}
}