TY - JOUR AU - Coutinho, S. C. TI - A constructive proof of the Density of Algebraic Pfaff Equations without Algebraic Solutions JO - Annales de l'Institut Fourier PY - 2007 SP - 1611 EP - 1621 VL - 57 IS - 5 PB - Association des Annales de l’institut Fourier UR - http://www.numdam.org/articles/10.5802/aif.2308/ DO - 10.5802/aif.2308 LA - en ID - AIF_2007__57_5_1611_0 ER -