@article{5d256dc2170a47a5a6af10bfec183eeb,
title = "Burkholder integrals, morrey's problem and quasiconformal mappings",
keywords = "Critical sobolev exponents, Extremal quasiconformal mappings, Jacobian inequalities, Rank-one convex and quasiconvex variational integrals",
author = "Kari Astala and Tadeusz Iwaniec and Ist{\'v}an Prause and Eero Saksman",
year = "2012",
doi = "10.1090/S0894-0347-2011-00718-2",
language = "English (US)",
volume = "25",
pages = "507--531",
journal = "Journal of the American Mathematical Society",
issn = "0894-0347",
publisher = "American Mathematical Society",
number = "2",
}