%0 Journal Article %A N. Sakakibara %T Moment problems on subsemigroups of N ... and Zk. %J Semigroup forum %D 1992 %P 241-248 %V 45 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1992__45_3_135186/ %F SF_1992__45_3_135186