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 VL - 28-29 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2298/TAM0229325S/ DO - 10.2298/TAM0229325S LA - en ID - 10_2298_TAM0229325S ER -