![E. Spiegel and C. J. O'Donnell Incidence Algebras (Pure and Applied Mathematics Vol. 206, Marcel Dekker, 1997), ix + 335 pp., 0 8247 0036 8, US$125. | Proceedings of the Edinburgh Mathematical Society | Cambridge Core E. Spiegel and C. J. O'Donnell Incidence Algebras (Pure and Applied Mathematics Vol. 206, Marcel Dekker, 1997), ix + 335 pp., 0 8247 0036 8, US$125. | Proceedings of the Edinburgh Mathematical Society | Cambridge Core](https://static.cambridge.org/content/id/urn%3Acambridge.org%3Aid%3Aarticle%3AS0013091500020368/resource/name/firstPage-S0013091500020368a.jpg)
E. Spiegel and C. J. O'Donnell Incidence Algebras (Pure and Applied Mathematics Vol. 206, Marcel Dekker, 1997), ix + 335 pp., 0 8247 0036 8, US$125. | Proceedings of the Edinburgh Mathematical Society | Cambridge Core
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