@article{10_14708_wm_v41i01_5016,
     author = {D. Simson},
     title = {Skomplikowana konstrukcja pier\'scieni {S\k{a}siady}},
     journal = {Wiadomo\'sci Matematyczne},
     pages = { 119--124},
     publisher = {mathdoc},
     volume = {41},
     number = {01},
     year = {2005},
     doi = {10.14708/wm.v41i01.5016},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/wm.v41i01.5016/}
}