TY  - BOOK
AU  - Penrose,Roger
TI  - Techniques of differential topology in relativity
T2  - Regional conference sers. in applied mathematics
AV  - QC173.59M3 P34
PY  - 1972///
CY  - Philadelphia
PB  - Society for industrial and applied mathematics
KW  - Relatividad (Física)
KW  - Topología diferencial
ER  -