@article{10_14708_cm_v29i2_6263,
     author = {E. Ambro\.zko},
     title = {Examples and constructions of polymodular pseudotopologies},
     journal = {Commentationes Mathematicae},
     pages = { 117--127},
     year = {1990},
     volume = {29},
     number = {2},
     doi = {10.14708/cm.v29i2.6263},
     language = {pl},
     url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v29i2.6263/}
}