TY - JOUR AU - Chen, Gui-Qiang AU - Feldman, Mikhail TI - Multidimensional transonic shocks and free boundary problems for nonlinear equations of mixed type JO - Journal of the American Mathematical Society PY - 2003 SP - 461 EP - 494 VL - 16 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-03-00422-3/ DO - 10.1090/S0894-0347-03-00422-3 ID - 10_1090_S0894_0347_03_00422_3 ER -