000 | 00445nam a2200145Ia 4500 | ||
---|---|---|---|
008 | 220718s1972||||xx |||||||||||||| ||und|| | ||
082 |
_a13.06+7.04 _bPENR |
||
100 | 1 | _aPenrose, R | |
245 | 1 |
_aTechniques of differential topology in relativity _cR. Penrose |
|
260 |
_aPhiladelphia _bSIAM _c1972 |
||
300 |
_aviii _e72 |
||
490 | _aCBMS-NSF regional conference series in applied mathematic 7 | ||
690 | _aDifferential Topology | ||
942 | _cBK | ||
999 |
_c14436 _d14436 |