%0 Journal Article %A Heinz Leutwiler %T Best constants in the Harnack inequality for the Weinstein equation. %J Aequationes mathematicae %D 1987 %P 304-315 %V 34 %I mathdoc %U http://geodesic.mathdoc.fr/item/AM2_1987__34_137248/ %F AM2_1987__34_137248