Source history
Original source: arXiv:1009.5025v3
Detailed backend records are private. Public author/source status appears above.
The permanent identity and original source provenance are retained below.
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"number": "4.1.5",
"title": "Lemma 4.1.5. An exact sequence 0 →M1 ,→M2 ↠M3 →0 gives rise to an exact sequence",
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