%0 Journal Article %A Fraga Alves, M.I. %A Gomes, M.Ivette %A de Haan, Laurens %T A new class of semi-parametric estimators of the second order parameter. %J Portugaliae mathematica %D 2003 %P 193-213 %V 60 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_2003__60_2_50867/ %G en %F PORMA_2003__60_2_50867