@article{10_14708_am_v1i1_482,
     author = {Jerzy Mioduszewski},
     title = {Dwie {Warszawy} - zbiory dwusp\'ojne: historia niedoko\'nczona},
     journal = {Antiquitates Mathematicae},
     pages = { 63--71},
     publisher = {mathdoc},
     volume = {1},
     year = {2007},
     doi = {10.14708/am.v1i1.482},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/am.v1i1.482/}
}