@article{ASNSP_2008_5_7_1_1_0,
     author = {Astala, Kari and Faraco, Daniel and Sz\'ekelyhidi Jr., L\'aszl\'o},
     title = {Convex integration and the $L^p$ theory of elliptic equations},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {1--50},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 7},
     number = {1},
     year = {2008},
     zbl = {1164.30014},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_2008_5_7_1_1_0/}
}