TY - JOUR AU - Jean Van Schaftingen TI - Estimates for $L^1$-vector fields under higher-order differential conditions JO - Journal of the European Mathematical Society PY - 2008 SP - 867 EP - 882 VL - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/133/ DO - 10.4171/jems/133 ID - JEMS_2008_10_4_a0 ER -