%0 Journal Article %A Surla Katarina %T Exponential functions as boundary layer functions %J Novi Sad Journal of Mathematics %D 1998 %P 159-176 %V 28 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/NSJOM_1998_28_3a_15/ %F NSJOM_1998_28_3a_15