@article{10_2298_TAM0229325S,
     author = {M. \v{S}ilhav\'y},
     title = {An $O(n)$ invariant rank 1 convex function that is not polyconvex},
     journal = {Theoretical and applied mechanics},
     pages = {325 },
     year = {2002},
     volume = {28-29},
     number = {1},
     doi = {10.2298/TAM0229325S},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/TAM0229325S/}
}