TY  - BOOK
AU  - Kelly, Paul
AU  - Matthews, Gordon (jt.auth)
TI  - The non-euclidean hyperbolic plane: : it structure and consistency
SN  - 0387905529
U1  - 516.9 
PY  - 1981///
CY  - New York
PB  - Springer-Verlag
KW  - Geometry, Hyperbolic
N1  - Includes bibliography and index
ER  -