@Article{ dalfonleo03, author = { Dal Maso, Gianni and Fonseca, Irene and Leoni, Giovanni and Morini, Massimiliano }, title = { Higher Order Quasiconvexity Reduces to Quasiconvexity }, journal = { Archive Rational Mech. Anal. }, year = { 2004 }, volume = { 171 }, pages = { 55-81 }, URL = { http://cvgmt.sns.it/paper/457/ }, note = { cvgmt preprint} }