The non-Euclidean hyperbolic plane :
Kelly, Paul Joseph.
The non-Euclidean hyperbolic plane : its structure and consistency / P. Kelly, G. Matthews. - New York : Springer-Verlag, 1981. - xiii, 333 p. ill. ; 24 cm. - Universitext .
Includes index
3540905529 (New York) 0387905529 (Berlin)
Geometry, Hyperbolic
The non-Euclidean hyperbolic plane : its structure and consistency / P. Kelly, G. Matthews. - New York : Springer-Verlag, 1981. - xiii, 333 p. ill. ; 24 cm. - Universitext .
Includes index
3540905529 (New York) 0387905529 (Berlin)
Geometry, Hyperbolic