TY - JOUR AU - Bardos, Claude AU - Pironneau, Olivier TI - A formalism for the differentiation of conservation laws JO - Comptes Rendus. Mathématique PY - 2002 SP - 839 EP - 845 VL - 335 IS - 10 PB - Elsevier UR - http://www.numdam.org/articles/10.1016/S1631-073X(02)02574-8/ DO - 10.1016/S1631-073X(02)02574-8 LA - en ID - CRMATH_2002__335_10_839_0 ER -