@article{SF_1979__17_134332,
     author = {R. DeLanghe and C. Impens},
     title = {N-Semigroups as codomain of measures.},
     journal = {Semigroup forum},
     pages = {379--386},
     publisher = {mathdoc},
     volume = {17},
     year = {1979},
     zbl = {0426.28010},
     url = {http://geodesic.mathdoc.fr/item/SF_1979__17_134332/}
}