@article{AIF_2006__56_3_517_0, author = {Nicolas, Jean-Philippe}, title = {On {Lars} {H\"ormander{\textquoteright}s} remark on the characteristic {Cauchy} problem}, journal = {Annales de l'Institut Fourier}, pages = {517--543}, publisher = {Association des Annales de l{\textquoteright}institut Fourier}, volume = {56}, number = {3}, year = {2006}, doi = {10.5802/aif.2192}, mrnumber = {2244222}, zbl = {1124.35037}, language = {en}, url = {http://archive.numdam.org/articles/10.5802/aif.2192/} }