@article{MAN_1994__299_4_165217,
     author = {Peter Shi and Steve Wright},
     title = {Higher integrability of the gradient in linear elasticity.},
     journal = {Mathematische Annalen},
     pages = {435--448},
     publisher = {mathdoc},
     volume = {299},
     number = {4},
     year = {1994},
     zbl = {0806.73009},
     url = {http://geodesic.mathdoc.fr/item/MAN_1994__299_4_165217/}
}