TY - JOUR AU - Nier, F. TI - Accurate WKB Approximation for a 1D Problem with Low Regularity JO - Serdica Mathematical Journal PY - 2008 SP - 113 EP - 126 VL - 34 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SMJ2_2008_34_1_a4/ LA - en ID - SMJ2_2008_34_1_a4 ER -