Columbia subject headings:
Geometry, Algebraic--Congresses.
Geometry, Hyperbolic--Congresses.
Kleinian groups--Congresses.
Riemann surfaces--Congresses.
Harvard subject headings:
Geometry, Algebraic--Congresses.
Geometry, Hyperbolic--Congresses.
Kleinian groups--Congresses.
Riemann surfaces--Congresses.
Princeton subject headings: