TY - JOUR AU - Jean Van Schaftingen TI - Limiting Sobolev inequalities for vector fields and canceling linear differential operators JO - Journal of the European Mathematical Society PY - 2013 SP - 877 EP - 921 VL - 15 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/380/ DO - 10.4171/jems/380 ID - JEMS_2013_15_3_a7 ER -