@article{10_4064_fm_48_2_127_133,
     author = {C. Goffman and D. Waterman},
     title = {On upper and lower limits in measure},
     journal = {Fundamenta Mathematicae},
     pages = {127--133},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {1959},
     doi = {10.4064/fm-48-2-127-133},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-48-2-127-133/}
}