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  "record": {
    "abstract": "This is a comment on Phys. Rev. A 67, 022104(2003).",
    "arxiv_id": "physics/0307037",
    "authors": [
      "Guowu Meng"
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    "title": "Comment on Perturbation theory for Heisenberg Operators",
    "url": "https://arxiv.org/abs/physics/0307037"
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