@article{GDZPPN002305402, title = {Functions of Bounded Variation on Idempotent Semigroups:}, journal = {Mathematische Annalen}, volume = {193}, year = {1971}, pages = {1-11}, zbl = {0211.15303}, url = {http://dml.mathdoc.fr/item/GDZPPN002305402} }
ALÒ, Richard A.; KORVIN, Andre de. Functions of Bounded Variation on Idempotent Semigroups:. Mathematische Annalen, Tome 193 (1971) pp. 1-11. http://gdmltest.u-ga.fr/item/GDZPPN002305402/