%0 Journal Article %A G. Tanoglu %A H. Gunduz %T Higher Order Symplectic Methods Based on the Modified Vector Fields %J Mathematica balkanica %D 2012 %P 429 %V 26 %N 3-4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2012_26_3-4_a18/ %F MABA_2012_26_3-4_a18