TY - JOUR AU - Ming Tao mtao@mail.ustc.edu.cn Zhixin Cheng czx@mail.ustc.edu.cn Jin Yan yanjin@mail.ust TI - Conservation laws II: weak solutions JO - Revista colombiana de matematicas PY - 2007 SP - 91 EP - 106 VL - 41 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RCM_2007_41_1_a6/ ID - RCM_2007_41_1_a6 ER -