TY - JOUR AU - A. Taheri TI - On Critical Points of Functionals with Polyconvex Integrands JO - Journal of convex analysis PY - 2002 SP - 55 EP - 72 VL - 9 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JCA_2002_9_1_JCA_2002_9_1_a2/ ID - JCA_2002_9_1_JCA_2002_9_1_a2 ER -