%0 Journal Article %A Gustaf Gripenberg %T On the asymptotic behaviour of nonlinear contraction semigroups. %J Mathematica Scandinavica %D 1979 %P 385-397 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1979__44_166657/ %F MS2_1979__44_166657