TY  - BOOK
AU  - Beem, John K. and Ehrlich, Paul E.
AU  - Ehrlich, Paul E. ; jt. auth.
TI  - Global lorentzian geometry
T2  - Pure and Applied Mathematics, monographs and textbooks
U1  - 530.1 
PY  - 1981///
CY  - New York
PB  - Marcel Dekker
ER  -