TY - JOUR AU - Junca, S. TI - Geometric optics with critical vanishing viscosity for one-dimensional semilinear initial value problems. JO - Revista matemática iberoamericana PY - 2008 SP - 549 EP - 566 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RMI_2008_2008_1_a19/ LA - en ID - RMI_2008_2008_1_a19 ER -