TY - JOUR AU - Šilhavý, M. TI - Rank 1 convex hulls of isotropic functions in dimension 2 by 2 JO - Mathematica Bohemica PY - 2001 SP - 521 EP - 529 VL - 126 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.2001.134029/ DO - 10.21136/MB.2001.134029 LA - en ID - 10_21136_MB_2001_134029 ER -