%0 Journal Article %A Delaunay, C. %A Duquesne, S. %T Numerical investigations related to the derivatives of the -series of certain elliptic curves. %J Experimental mathematics %D 2003 %P 311-317 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/EXMA_2003__12_3_52173/ %G en %F EXMA_2003__12_3_52173