@article{10_4064_cm97_2_4,
     author = {Rafa{\l} Filip\'ow},
     title = {On the difference property of families
 of measurable functions},
     journal = {Colloquium Mathematicum},
     pages = {169--180},
     publisher = {mathdoc},
     volume = {97},
     number = {2},
     year = {2003},
     doi = {10.4064/cm97-2-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm97-2-4/}
}