@article{10_21136_MB_2001_134029,
     author = {\v{S}ilhav\'y, M.},
     title = {Rank 1 convex hulls of isotropic functions in~dimension 2 by 2},
     journal = {Mathematica Bohemica},
     pages = {521--529},
     publisher = {mathdoc},
     volume = {126},
     number = {2},
     year = {2001},
     doi = {10.21136/MB.2001.134029},
     mrnumber = {1844288},
     zbl = {1070.49008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/MB.2001.134029/}
}