Maps, hypermaps and their automorphisms: A survey. III
[For Part I see ibid., 403-427 (1992; Zbl 0772.05037), and for Part II see ibid., 429-447 (1992; Zbl 0772.05038).] In this third part of the article the transformations of a hypermap that preserve all the incidence relations are considered.
scientific article; zbMATH DE number 220995