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_a200105222136 _brahimi _y08-18-1999 _zload |
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| 100 | 1 | _aDuggal, Krishan L. | |
| 245 | 1 | 0 |
_aLightlike submanifolds of semi-riemannian manifolds and applications / _cKrishan L. Duggal, Aurel Bejancu |
| 260 |
_aDordrecht : _bKluwer Academic Publishers, _c1996 |
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_a.b1131400x _b2019-11-13 _c2019-11-12 |
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