@article{AFM_1979_4_1_a9,
     author = {O. Martio},
     title = {Capacity and measure densities},
     journal = {Annales Fennici Mathematici},
     pages = {109--118},
     publisher = {mathdoc},
     volume = {4},
     number = {1},
     year = {1979},
     doi = {10.5186/aasfm.1978-79.0412},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.1978-79.0412/}
}