TY  - GEN
AU  - Ungar, Abraham A
TI  - Analytic hyperbolic geometry in N dimensions : : an introduction
SN  - 978482236675
U1  - 516.9 
PY  - 2015///
CY  - London
PB  - CRC Press
KW  - Hyperbolic geometry
KW  - Einstein gyrogroups
KW  - Gyrotrigonometry
KW  - Hyperbolic triangles
N1  - It includes bibliography and index
ER  -