@article{10_1023_A_1022417621327,
     author = {Do\v{s}l\'y, Ond\v{r}ej},
     title = {A remark on polyconvex envelopes of radially symmetric functions in dimension $2\times 2$},
     journal = {Applications of Mathematics},
     pages = {195--212},
     publisher = {mathdoc},
     volume = {42},
     number = {3},
     year = {1997},
     doi = {10.1023/A:1022417621327},
     mrnumber = {1441630},
     zbl = {0904.49012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.1023/A:1022417621327/}
}