TY - JOUR AU - Federico Quallbrunn TI - Families of distributions and Pfaff systems under duality JO - Journal of Singularities PY - 2015 SP - 164 EP - 189 VL - 11 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.5427/jsing.2015.11g/ DO - 10.5427/jsing.2015.11g ID - 10_5427_jsing_2015_11g ER -