@article{10_4064_fm_97_3_151_156,
     author = {D. Sarkhel},
     title = {A generalization of the {Vitali} covering theorem},
     journal = {Fundamenta Mathematicae},
     pages = {151--156},
     publisher = {mathdoc},
     volume = {97},
     number = {3},
     year = {1977},
     doi = {10.4064/fm-97-3-151-156},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-97-3-151-156/}
}