TY  - BOOK
AU  - Bonola Roberto
AU  - Carslaw H S
TI  - Non-Euclidean geometry : a critical and historical study of its developments
U1  - 516.9 
PY  - 1955///
CY  - N Y
PB  - Dover Pub.
KW  - Non-Euclidean geometry
N1  - Contents: Science of absolute space by John Bolyai
ER  -