%0 Journal Article %A Došlý, Ondřej %T A remark on polyconvex envelopes of radially symmetric functions in dimension $2\times 2$ %J Applications of Mathematics %D 1997 %P 195-212 %V 42 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1023/A:1022417621327/ %R 10.1023/A:1022417621327 %G en %F 10_1023_A_1022417621327