@article{10_14708_cm_v50i1_5298,
     author = {Lidia Obojska and Paul O{\textquoteright}Hara},
     title = {Some {Remarks} on {Rings}},
     journal = {Commentationes Mathematicae},
     pages = { 35--39},
     publisher = {mathdoc},
     volume = {50},
     number = {1},
     year = {2010},
     doi = {10.14708/cm.v50i1.5298},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v50i1.5298/}
}