TY - JOUR AU - Zhang, Ping TI - Weak solutions to a nonlinear variational wave equation and some related problems JO - Applications of Mathematics PY - 2006 SP - 427 EP - 466 VL - 51 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10778-006-0111-2/ DO - 10.1007/s10778-006-0111-2 LA - en ID - 10_1007_s10778_006_0111_2 ER -