@article{JEMS_2013_15_1_a3,
     author = {Hern\'an Castro and Juan D\'avila and Hui Wang},
     title = {A {Hardy} type inequality for $W^{m,1}_0(\Omega)$ functions},
     journal = {Journal of the European Mathematical Society},
     pages = {145--155},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2013},
     doi = {10.4171/jems/357},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/jems/357/}
}