%0 Journal Article %A Nier, F. %T Accurate WKB Approximation for a 1D Problem with Low Regularity %J Serdica Mathematical Journal %D 2008 %P 113-126 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2008_34_1_a4/ %G en %F SMJ2_2008_34_1_a4