Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MAN_1970__188_162048, author = {J. KIST and S. LEESTMA}, title = {Additive {Semigroups} of {Positive} {Real} {Numbers.}}, journal = {Mathematische Annalen}, pages = {214--218}, publisher = {mathdoc}, volume = {188}, year = {1970}, zbl = {0188.05702}, url = {http://geodesic.mathdoc.fr/item/MAN_1970__188_162048/} }
J. KIST; S. LEESTMA. Additive Semigroups of Positive Real Numbers.. Mathematische Annalen, Tome 188 (1970), pp. 214-218. http://geodesic.mathdoc.fr/item/MAN_1970__188_162048/