TY  - BOOK
AU  - Ungar A A
TI  - Hyperbolic triangle centers: the special relativistic approach
SN  - 978-90-481-8636-5
U1  - 516.9 
PY  - 2010///
CY  - London
PB  - Springer-Verlag
KW  - Hyperbolic geometry
KW  - Special relativity (Physics)
ER  -