@article{CRMATH_2002__335_10_839_0,
     author = {Bardos, Claude and Pironneau, Olivier},
     title = {A formalism for the differentiation of conservation laws},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {839--845},
     publisher = {Elsevier},
     volume = {335},
     number = {10},
     year = {2002},
     doi = {10.1016/S1631-073X(02)02574-8},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/S1631-073X(02)02574-8/}
}