TY  - BOOK
AU  - Busemann, Herbert.
TI  - Recent sysnthetic differential geometry
U1  - 516.7 BUS 
PY  - 1970///
CY  - Berline
PB  - Springer-Verlag
KW  - Geometry, Differential
N1  - Includes bibliographical references (p. 106-110)
ER  -