TY - JOUR AU - Sergiu Klainerman AU - Igor Rodnianski TI - Sharp $L^1$ estimates for singular transport equations JO - Journal of the European Mathematical Society PY - 2008 SP - 477 EP - 505 VL - 10 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4171/jems/119/ DO - 10.4171/jems/119 ID - JEMS_2008_10_2_a8 ER -