TY - JOUR AU - Nicolas, Jean-Philippe TI - On Lars Hörmander’s remark on the characteristic Cauchy problem JO - Annales de l'Institut Fourier PY - 2006 DA - 2006/// SP - 517 EP - 543 VL - 56 IS - 3 PB - Association des Annales de l’institut Fourier UR - http://archive.numdam.org/articles/10.5802/aif.2192/ UR - https://www.ams.org/mathscinet-getitem?mr=2244222 UR - https://zbmath.org/?q=an%3A1124.35037 UR - https://doi.org/10.5802/aif.2192 DO - 10.5802/aif.2192 LA - en ID - AIF_2006__56_3_517_0 ER -