TY - JOUR AU - M. Šilhavý TI - An $O(n)$ invariant rank 1 convex function that is not polyconvex JO - Theoretical and applied mechanics PY - 2002 SP - 325 EP - 336 VL - 28-29 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TAM_2002_28-29_1_a16/ ID - TAM_2002_28-29_1_a16 ER -