I like Shakespeare and Greek tragedy, so let me word it as I'm doing: I desperately *need* J.H.B. Kemperman's 1956 paper *On complexes in a semigroup*, but the online archive of [*Indagationes Mathematicae*](http://www.sciencedirect.com/science/journal/00193577), where it was originally published (Vol. 18, pp. 247-254), goes back until 1990. Are you aware of any comparatively recent reprint or something like that? Thank you much in advance for any help you can provide.



Looking for a paper of Kemperman on semigroups
For all those interested, a scan of Kemperman's paper can be found [here](http://www.math.haifa.ac.il/~seva/MathOverflow/OnComplexes.pdf).


