@article{SF_1992__45_3_135186,
     author = {N. Sakakibara},
     title = {Moment problems on subsemigroups of {N} ... and {Zk.}},
     journal = {Semigroup forum},
     pages = {241--248},
     publisher = {mathdoc},
     volume = {45},
     number = {3},
     year = {1992},
     zbl = {0757.43003},
     url = {http://geodesic.mathdoc.fr/item/SF_1992__45_3_135186/}
}