@article{MAN_1939__116_160005,
     author = {D.B. Dickinson},
     title = {Study of extreme cases with respect to the densities of irregular linearly measurable plane sets of points},
     journal = {Mathematische Annalen},
     pages = {358--373},
     publisher = {mathdoc},
     volume = {116},
     year = {1939},
     zbl = {0020.01004},
     url = {http://geodesic.mathdoc.fr/item/MAN_1939__116_160005/}
}