@article{MAN_1971__194_162180,
     author = {Richard A. AL\`O and Andre de KORVIN},
     title = {Functions of {Bounded} {Variation} on {Idempotent} {Semigroups:}},
     journal = {Mathematische Annalen},
     pages = {1--11},
     publisher = {mathdoc},
     volume = {194},
     year = {1971},
     zbl = {0211.15303},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__194_162180/}
}