Concepedia
Annales Academiae Scientiarum Fennicae Series A I Mathematica · 1973 · 36 citations · 3 references
Open access
Natural SciencesMathematicsTopologyCovering SpacesFundamental GroupGroup TheoryTopological GroupsCovering MapsGalois CoveringsSubgroup Correspondence
3
The boundary correspondence under quasiconformal mappings
Arne Beurling, Lars V. Ahlfors · Acta Mathematica · 1956 · 598 citations
Natural Sciences, Mathematics, Topology +2
Uniformization by Beltrami equations
Lipman Bers · Communications on Pure and Applied Mathematics · 1961 · 86 citations
Natural Sciences, Geophysics, Dynamical Systems +1
On discrete groups of the unit disk and their isomorphisms
Pekka Tukia · Annales Academiae Scientiarum Fennicae Series A I Mathematica · 1972 · 17 citations
Natural Sciences, Mathematics, Combinatorics +13