References
- Artin , M. and Mazur , B. 1969 . Étale Homotopy , Vol. 100 , New York : Springer-Verlag . Lect. Notes in Math
- Feit , P. 1993 . Axiomization of Passage from ‘Local’ Structure to ‘Global’ Object . Memoirs of A.M.S , 485
- Feit , P. 1994 . Existence of Orbifolds I: Universal Galois Theory . Communications in Algebra , 22 ( 7 ) : 2367 – 2404 .
- Feit , P. 1994 . Existence of Orbifolds II: Orbifold Structures . Communications in Algebra , 22 ( 7 ) : 2405 – 2453 .
- Feit P. Adding Quotients by Finite Groups to an Arbitrary Category preprint
- Grothendieck , A. 1971 . Revetements étales et groupe fondamentale , Vol. 224 , New York : Springer-Verlag . Lect. Notes in Math
- Johnstone , P.T. 1982 . Stone Spaces , Cambridge : Cambridge Univ. Press .
- Johnstone , P.T. 1988 . A Simple Proof that Localic Subgroups are Closed . Cahiers Top. Géom. Diff. Catégoriques , 29 : 157 – 161 .
- Johnstone , P.T. and Joyal , A. 1982 . Continuous Categories and Exponen-tiable Toposes . J. Pure Appl. Alg , 25 : 255 – 296 .
- Moerdijk , I. 1989 . Prodiscrete Groups and Galois Toposes . Proc. Kon. Ned. Akad. van Weten , 92 ( 2 ) : 219 – 234 .
- Wraith , G.C. 1990 . Unsurprising Results on Localic Groups . J. Pure Appl. Alg , 67 ( 2 ) : 95 – 100 .