@article{10_14708_cm_v7i1_5489, author = {R. Engelking}, title = {Cztery twierdzenia o przestrzeni podzbior\'ow mierzalnych prostej}, journal = {Commentationes Mathematicae}, pages = { 43--54}, publisher = {mathdoc}, volume = {7}, number = {1}, year = {1962}, doi = {10.14708/cm.v7i1.5489}, language = {pl}, url = {http://geodesic.mathdoc.fr/articles/10.14708/cm.v7i1.5489/} }