%0 Journal Article %A Lj. Protic %A L. Stefanovska %A M. Canak %T On Some Approximate Methods for Solving Vekua Complex Differential Equation %J Mathematica balkanica %D 2004 %P 485 %V 18 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2004_18_3-4_a29/ %F MABA_2004_18_3-4_a29