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        "dbec",
        "hbec",
        "rbec",
        "sbec"
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      "page": "bvch",
      "title": "Bivariate Chen distribution: density, survival, hazard and random generation",
      "topics": [
        "bvch",
        "dbvch",
        "hbvch",
        "rbvch",
        "sbvch"
      ]
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        "dbvch_ac",
        "dbvch_sing"
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        "crf.chen",
        "dchen",
        "hchen",
        "hra.chen",
        "pchen",
        "qchen",
        "rchen",
        "schen"
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        "pech",
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