Topos-theoretic approaches to modality

G. E. Reyes and H. Zolfaghari (1991). Topos-theoretic approaches to modality.
LNM Springer-Verlag 1488. 359-378.

Attribution-NonCommercial-NoDerivs 2.5
This work is licensed under a Attribution-NonCommercial-NoDerivs 2.5.