... Gehring, The Lp-integrability of the partial derivatives of a quasiconformal mapping,ActaMathematica 130 (1973), 265–277.[3] J. Hogan, C. Li, A. McIntosh, and K. Zhang, Global higher integrability ... under minimal hypotheses,Archive for Rational Mechanics and Analysis 119 (1992), no. 2, 129–143.[5], Weak minima of variational integrals,Journalf¨ur die reine und angewandte Mathematik454 ... become a rather important topic in the study of Jacobians because one of the major applications of Jacobians is to evaluate multiple integrals. Higher integrabil-ity properties of the Jacobian first...