TY - JOUR AU - Sychev, M. A. TI - A new approach to Young measure theory, relaxation and convergence in energy JO - Annales de l'I.H.P. Analyse non linéaire PY - 1999 SP - 773 EP - 812 VL - 16 IS - 6 PB - Gauthier-Villars UR - http://www.numdam.org/item/AIHPC_1999__16_6_773_0/ LA - en ID - AIHPC_1999__16_6_773_0 ER -