TY  - GEN
AU  - Beem,John K
AU  - Ehrlich,Paul E
TI  - Global Lorentzian geometry
SN  - 0824713699
U1  - 516.3/7 
PY  - 1981///
CY  - New York
PB  - M. Dekker
KW  - Geometry, Differential
KW  - General relativity (Physics)
N1  - Contine bibliogr. si index
ER  -