@article{10_4064_cm_45_2_209_214,
     author = {Zbigniew Piotrowski},
     title = {On simultaneous {Blumberg} sets},
     journal = {Colloquium Mathematicum},
     pages = {209--214},
     publisher = {mathdoc},
     volume = {45},
     number = {2},
     year = {1981},
     doi = {10.4064/cm-45-2-209-214},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-45-2-209-214/}
}